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Finding the Fourth Proportional to 67,737.88, 101,380.14 and 66,841.76

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Solution

The fourth proportional to 67,737.88, 101,380.14 and 66,841.76 is: 100,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,737.88 : 101,380.14 = 66,841.76 : x
  2. Step 2: Convert to fraction form
    67,737.88/101,380.14 = 66,841.76/x
  3. Step 3: Cross multiply
    67,737.88x = 101,380.14 × 66,841.76
  4. Step 4: Simplify right side
    67,737.88x = 6,776,426,986.65
  5. Step 5: Solve for x
    x = 6,776,426,986.65/67,737.88
  6. Step 6: Final answer
    x = 100,038.96

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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.