Home / 82,517.94-123,795.14-29,931.53

Finding the Fourth Proportional to 82,517.94, 123,795.14 and 29,931.53

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Solution

The fourth proportional to 82,517.94, 123,795.14 and 29,931.53 is: 44,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,517.94 : 123,795.14 = 29,931.53 : x
  2. Step 2: Convert to fraction form
    82,517.94/123,795.14 = 29,931.53/x
  3. Step 3: Cross multiply
    82,517.94x = 123,795.14 × 29,931.53
  4. Step 4: Simplify right side
    82,517.94x = 3,705,377,178.13
  5. Step 5: Solve for x
    x = 3,705,377,178.13/82,517.94
  6. Step 6: Final answer
    x = 44,903.90

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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.