Home / 81,836.48-112,897.25-59,139.52

Finding the Fourth Proportional to 81,836.48, 112,897.25 and 59,139.52

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Solution

The fourth proportional to 81,836.48, 112,897.25 and 59,139.52 is: 81,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,836.48 : 112,897.25 = 59,139.52 : x
  2. Step 2: Convert to fraction form
    81,836.48/112,897.25 = 59,139.52/x
  3. Step 3: Cross multiply
    81,836.48x = 112,897.25 × 59,139.52
  4. Step 4: Simplify right side
    81,836.48x = 6,676,689,241.52
  5. Step 5: Solve for x
    x = 6,676,689,241.52/81,836.48
  6. Step 6: Final answer
    x = 81,585.73

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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.