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Finding the Fourth Proportional to 85,357.27, 117,726.42 and 54,733.27

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Solution

The fourth proportional to 85,357.27, 117,726.42 and 54,733.27 is: 75,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,357.27 : 117,726.42 = 54,733.27 : x
  2. Step 2: Convert to fraction form
    85,357.27/117,726.42 = 54,733.27/x
  3. Step 3: Cross multiply
    85,357.27x = 117,726.42 × 54,733.27
  4. Step 4: Simplify right side
    85,357.27x = 6,443,551,637.68
  5. Step 5: Solve for x
    x = 6,443,551,637.68/85,357.27
  6. Step 6: Final answer
    x = 75,489.20

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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.