Home / 84,789.38-127,106.30-29,346.50

Finding the Fourth Proportional to 84,789.38, 127,106.30 and 29,346.50

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Solution

The fourth proportional to 84,789.38, 127,106.30 and 29,346.50 is: 43,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,789.38 : 127,106.30 = 29,346.50 : x
  2. Step 2: Convert to fraction form
    84,789.38/127,106.30 = 29,346.50/x
  3. Step 3: Cross multiply
    84,789.38x = 127,106.30 × 29,346.50
  4. Step 4: Simplify right side
    84,789.38x = 3,730,125,032.95
  5. Step 5: Solve for x
    x = 3,730,125,032.95/84,789.38
  6. Step 6: Final answer
    x = 43,992.83

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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.