Home / 82,110.30-123,165.45-29,525.10

Finding the Fourth Proportional to 82,110.30, 123,165.45 and 29,525.10

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Solution

The fourth proportional to 82,110.30, 123,165.45 and 29,525.10 is: 44,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,110.30 : 123,165.45 = 29,525.10 : x
  2. Step 2: Convert to fraction form
    82,110.30/123,165.45 = 29,525.10/x
  3. Step 3: Cross multiply
    82,110.30x = 123,165.45 × 29,525.10
  4. Step 4: Simplify right side
    82,110.30x = 3,636,472,227.80
  5. Step 5: Solve for x
    x = 3,636,472,227.80/82,110.30
  6. Step 6: Final answer
    x = 44,287.65

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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.