Home / 71,045.05-98,042.98-39,213.97

Finding the Fourth Proportional to 71,045.05, 98,042.98 and 39,213.97

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Solution

The fourth proportional to 71,045.05, 98,042.98 and 39,213.97 is: 54,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,045.05 : 98,042.98 = 39,213.97 : x
  2. Step 2: Convert to fraction form
    71,045.05/98,042.98 = 39,213.97/x
  3. Step 3: Cross multiply
    71,045.05x = 98,042.98 × 39,213.97
  4. Step 4: Simplify right side
    71,045.05x = 3,844,654,133.29
  5. Step 5: Solve for x
    x = 3,844,654,133.29/71,045.05
  6. Step 6: Final answer
    x = 54,115.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.