Home / 61,398.20-84,729.38-34,540.73

Finding the Fourth Proportional to 61,398.20, 84,729.38 and 34,540.73

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Solution

The fourth proportional to 61,398.20, 84,729.38 and 34,540.73 is: 47,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,398.20 : 84,729.38 = 34,540.73 : x
  2. Step 2: Convert to fraction form
    61,398.20/84,729.38 = 34,540.73/x
  3. Step 3: Cross multiply
    61,398.20x = 84,729.38 × 34,540.73
  4. Step 4: Simplify right side
    61,398.20x = 2,926,614,214.00
  5. Step 5: Solve for x
    x = 2,926,614,214.00/61,398.20
  6. Step 6: Final answer
    x = 47,666.13

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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.