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Finding the Fourth Proportional to 67,501.52, 93,163.52 and 39,223.61

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Solution

The fourth proportional to 67,501.52, 93,163.52 and 39,223.61 is: 54,135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,501.52 : 93,163.52 = 39,223.61 : x
  2. Step 2: Convert to fraction form
    67,501.52/93,163.52 = 39,223.61/x
  3. Step 3: Cross multiply
    67,501.52x = 93,163.52 × 39,223.61
  4. Step 4: Simplify right side
    67,501.52x = 3,654,209,574.71
  5. Step 5: Solve for x
    x = 3,654,209,574.71/67,501.52
  6. Step 6: Final answer
    x = 54,135.22

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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.