Home / 67,192.20-92,729.06-38,516.62

Finding the Fourth Proportional to 67,192.20, 92,729.06 and 38,516.62

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Solution

The fourth proportional to 67,192.20, 92,729.06 and 38,516.62 is: 53,155.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,192.20 : 92,729.06 = 38,516.62 : x
  2. Step 2: Convert to fraction form
    67,192.20/92,729.06 = 38,516.62/x
  3. Step 3: Cross multiply
    67,192.20x = 92,729.06 × 38,516.62
  4. Step 4: Simplify right side
    67,192.20x = 3,571,609,966.98
  5. Step 5: Solve for x
    x = 3,571,609,966.98/67,192.20
  6. Step 6: Final answer
    x = 53,155.13

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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.