Home / 55,098.76-76,034.70-31,227.68

Finding the Fourth Proportional to 55,098.76, 76,034.70 and 31,227.68

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Solution

The fourth proportional to 55,098.76, 76,034.70 and 31,227.68 is: 43,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,098.76 : 76,034.70 = 31,227.68 : x
  2. Step 2: Convert to fraction form
    55,098.76/76,034.70 = 31,227.68/x
  3. Step 3: Cross multiply
    55,098.76x = 76,034.70 × 31,227.68
  4. Step 4: Simplify right side
    55,098.76x = 2,374,387,280.50
  5. Step 5: Solve for x
    x = 2,374,387,280.50/55,098.76
  6. Step 6: Final answer
    x = 43,093.30

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Half scale
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Double scale
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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.