Home / 45,098.32-62,202-39,999.76

Finding the Fourth Proportional to 45,098.32, 62,202 and 39,999.76

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Solution

The fourth proportional to 45,098.32, 62,202 and 39,999.76 is: 55,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,098.32 : 62,202 = 39,999.76 : x
  2. Step 2: Convert to fraction form
    45,098.32/62,202 = 39,999.76/x
  3. Step 3: Cross multiply
    45,098.32x = 62,202 × 39,999.76
  4. Step 4: Simplify right side
    45,098.32x = 2,488,065,071.52
  5. Step 5: Solve for x
    x = 2,488,065,071.52/45,098.32
  6. Step 6: Final answer
    x = 55,169.80

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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.