Home / 81,587.16-122,380.74-22,423.14

Finding the Fourth Proportional to 81,587.16, 122,380.74 and 22,423.14

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Solution

The fourth proportional to 81,587.16, 122,380.74 and 22,423.14 is: 33,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,587.16 : 122,380.74 = 22,423.14 : x
  2. Step 2: Convert to fraction form
    81,587.16/122,380.74 = 22,423.14/x
  3. Step 3: Cross multiply
    81,587.16x = 122,380.74 × 22,423.14
  4. Step 4: Simplify right side
    81,587.16x = 2,744,160,466.32
  5. Step 5: Solve for x
    x = 2,744,160,466.32/81,587.16
  6. Step 6: Final answer
    x = 33,634.71

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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.