Home / 123,760.61-185,611.17-57,136.74

Finding the Fourth Proportional to 123,760.61, 185,611.17 and 57,136.74

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Solution

The fourth proportional to 123,760.61, 185,611.17 and 57,136.74 is: 85,691.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,760.61 : 185,611.17 = 57,136.74 : x
  2. Step 2: Convert to fraction form
    123,760.61/185,611.17 = 57,136.74/x
  3. Step 3: Cross multiply
    123,760.61x = 185,611.17 × 57,136.74
  4. Step 4: Simplify right side
    123,760.61x = 10,605,217,161.39
  5. Step 5: Solve for x
    x = 10,605,217,161.39/123,760.61
  6. Step 6: Final answer
    x = 85,691.38

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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.