Home / 81,972.30-122,941.65-22,793.10

Finding the Fourth Proportional to 81,972.30, 122,941.65 and 22,793.10

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Solution

The fourth proportional to 81,972.30, 122,941.65 and 22,793.10 is: 34,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,972.30 : 122,941.65 = 22,793.10 : x
  2. Step 2: Convert to fraction form
    81,972.30/122,941.65 = 22,793.10/x
  3. Step 3: Cross multiply
    81,972.30x = 122,941.65 × 22,793.10
  4. Step 4: Simplify right side
    81,972.30x = 2,802,221,322.62
  5. Step 5: Solve for x
    x = 2,802,221,322.62/81,972.30
  6. Step 6: Final answer
    x = 34,184.98

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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.