Home / 45,154.76-62,432.48-39,549.68

Finding the Fourth Proportional to 45,154.76, 62,432.48 and 39,549.68

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Solution

The fourth proportional to 45,154.76, 62,432.48 and 39,549.68 is: 54,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,154.76 : 62,432.48 = 39,549.68 : x
  2. Step 2: Convert to fraction form
    45,154.76/62,432.48 = 39,549.68/x
  3. Step 3: Cross multiply
    45,154.76x = 62,432.48 × 39,549.68
  4. Step 4: Simplify right side
    45,154.76x = 2,469,184,605.61
  5. Step 5: Solve for x
    x = 2,469,184,605.61/45,154.76
  6. Step 6: Final answer
    x = 54,682.71

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Half scale
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Double scale
Find fourth proportional to 45,155.76, 62,433.86 and 39,550.68
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.