Home / 61,932.97-85,138.27-53,287.30

Finding the Fourth Proportional to 61,932.97, 85,138.27 and 53,287.30

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Solution

The fourth proportional to 61,932.97, 85,138.27 and 53,287.30 is: 73,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,932.97 : 85,138.27 = 53,287.30 : x
  2. Step 2: Convert to fraction form
    61,932.97/85,138.27 = 53,287.30/x
  3. Step 3: Cross multiply
    61,932.97x = 85,138.27 × 53,287.30
  4. Step 4: Simplify right side
    61,932.97x = 4,536,788,534.97
  5. Step 5: Solve for x
    x = 4,536,788,534.97/61,932.97
  6. Step 6: Final answer
    x = 73,253.20

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.