Home / 83,967.20-125,948.10-27,809.90

Finding the Fourth Proportional to 83,967.20, 125,948.10 and 27,809.90

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Solution

The fourth proportional to 83,967.20, 125,948.10 and 27,809.90 is: 41,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,967.20 : 125,948.10 = 27,809.90 : x
  2. Step 2: Convert to fraction form
    83,967.20/125,948.10 = 27,809.90/x
  3. Step 3: Cross multiply
    83,967.20x = 125,948.10 × 27,809.90
  4. Step 4: Simplify right side
    83,967.20x = 3,502,604,066.19
  5. Step 5: Solve for x
    x = 3,502,604,066.19/83,967.20
  6. Step 6: Final answer
    x = 41,713.96

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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.