Home / 82,531.54-123,805.51-29,945.12

Finding the Fourth Proportional to 82,531.54, 123,805.51 and 29,945.12

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Solution

The fourth proportional to 82,531.54, 123,805.51 and 29,945.12 is: 44,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,531.54 : 123,805.51 = 29,945.12 : x
  2. Step 2: Convert to fraction form
    82,531.54/123,805.51 = 29,945.12/x
  3. Step 3: Cross multiply
    82,531.54x = 123,805.51 × 29,945.12
  4. Step 4: Simplify right side
    82,531.54x = 3,707,371,088.26
  5. Step 5: Solve for x
    x = 3,707,371,088.26/82,531.54
  6. Step 6: Final answer
    x = 44,920.66

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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.