Home / 91,785.54-137,691.45-40,551.27

Finding the Fourth Proportional to 91,785.54, 137,691.45 and 40,551.27

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Solution

The fourth proportional to 91,785.54, 137,691.45 and 40,551.27 is: 60,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,785.54 : 137,691.45 = 40,551.27 : x
  2. Step 2: Convert to fraction form
    91,785.54/137,691.45 = 40,551.27/x
  3. Step 3: Cross multiply
    91,785.54x = 137,691.45 × 40,551.27
  4. Step 4: Simplify right side
    91,785.54x = 5,583,563,165.64
  5. Step 5: Solve for x
    x = 5,583,563,165.64/91,785.54
  6. Step 6: Final answer
    x = 60,832.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.