Home / 82,545.62-123,860.61-39,317.45

Finding the Fourth Proportional to 82,545.62, 123,860.61 and 39,317.45

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Solution

The fourth proportional to 82,545.62, 123,860.61 and 39,317.45 is: 58,996.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,545.62 : 123,860.61 = 39,317.45 : x
  2. Step 2: Convert to fraction form
    82,545.62/123,860.61 = 39,317.45/x
  3. Step 3: Cross multiply
    82,545.62x = 123,860.61 × 39,317.45
  4. Step 4: Simplify right side
    82,545.62x = 4,869,882,721.34
  5. Step 5: Solve for x
    x = 4,869,882,721.34/82,545.62
  6. Step 6: Final answer
    x = 58,996.26

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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.