Home / 83,727.60-125,421.30-52,040.40

Finding the Fourth Proportional to 83,727.60, 125,421.30 and 52,040.40

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Solution

The fourth proportional to 83,727.60, 125,421.30 and 52,040.40 is: 77,954.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,727.60 : 125,421.30 = 52,040.40 : x
  2. Step 2: Convert to fraction form
    83,727.60/125,421.30 = 52,040.40/x
  3. Step 3: Cross multiply
    83,727.60x = 125,421.30 × 52,040.40
  4. Step 4: Simplify right side
    83,727.60x = 6,526,974,620.52
  5. Step 5: Solve for x
    x = 6,526,974,620.52/83,727.60
  6. Step 6: Final answer
    x = 77,954.88

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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.