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Finding the Fourth Proportional to 91,677.52, 137,487.48 and 35,513.74

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Solution

The fourth proportional to 91,677.52, 137,487.48 and 35,513.74 is: 53,259.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,677.52 : 137,487.48 = 35,513.74 : x
  2. Step 2: Convert to fraction form
    91,677.52/137,487.48 = 35,513.74/x
  3. Step 3: Cross multiply
    91,677.52x = 137,487.48 × 35,513.74
  4. Step 4: Simplify right side
    91,677.52x = 4,882,694,617.98
  5. Step 5: Solve for x
    x = 4,882,694,617.98/91,677.52
  6. Step 6: Final answer
    x = 53,259.45

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1.5x scale

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.