Home / 84,179.56-126,292.40-42,008.73

Finding the Fourth Proportional to 84,179.56, 126,292.40 and 42,008.73

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Solution

The fourth proportional to 84,179.56, 126,292.40 and 42,008.73 is: 63,024.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,179.56 : 126,292.40 = 42,008.73 : x
  2. Step 2: Convert to fraction form
    84,179.56/126,292.40 = 42,008.73/x
  3. Step 3: Cross multiply
    84,179.56x = 126,292.40 × 42,008.73
  4. Step 4: Simplify right side
    84,179.56x = 5,305,383,437.67
  5. Step 5: Solve for x
    x = 5,305,383,437.67/84,179.56
  6. Step 6: Final answer
    x = 63,024.61

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1.5x scale

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.