Home / 54,713.60-82,070.40-42,251.79

Finding the Fourth Proportional to 54,713.60, 82,070.40 and 42,251.79

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Solution

The fourth proportional to 54,713.60, 82,070.40 and 42,251.79 is: 63,377.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,713.60 : 82,070.40 = 42,251.79 : x
  2. Step 2: Convert to fraction form
    54,713.60/82,070.40 = 42,251.79/x
  3. Step 3: Cross multiply
    54,713.60x = 82,070.40 × 42,251.79
  4. Step 4: Simplify right side
    54,713.60x = 3,467,621,306.02
  5. Step 5: Solve for x
    x = 3,467,621,306.02/54,713.60
  6. Step 6: Final answer
    x = 63,377.69

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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.