Home / 82,176.76-123,264.78-29,586.20

Finding the Fourth Proportional to 82,176.76, 123,264.78 and 29,586.20

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Solution

The fourth proportional to 82,176.76, 123,264.78 and 29,586.20 is: 44,379.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,176.76 : 123,264.78 = 29,586.20 : x
  2. Step 2: Convert to fraction form
    82,176.76/123,264.78 = 29,586.20/x
  3. Step 3: Cross multiply
    82,176.76x = 123,264.78 × 29,586.20
  4. Step 4: Simplify right side
    82,176.76x = 3,646,936,434.04
  5. Step 5: Solve for x
    x = 3,646,936,434.04/82,176.76
  6. Step 6: Final answer
    x = 44,379.17

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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.