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Finding the Fourth Proportional to 60,874.69, 91,332.53 and 38,359.22

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Solution

The fourth proportional to 60,874.69, 91,332.53 and 38,359.22 is: 57,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,874.69 : 91,332.53 = 38,359.22 : x
  2. Step 2: Convert to fraction form
    60,874.69/91,332.53 = 38,359.22/x
  3. Step 3: Cross multiply
    60,874.69x = 91,332.53 × 38,359.22
  4. Step 4: Simplify right side
    60,874.69x = 3,503,444,579.46
  5. Step 5: Solve for x
    x = 3,503,444,579.46/60,874.69
  6. Step 6: Final answer
    x = 57,551.75

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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.