Home / 82,001.60-122,882.72-36,354.23

Finding the Fourth Proportional to 82,001.60, 122,882.72 and 36,354.23

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Solution

The fourth proportional to 82,001.60, 122,882.72 and 36,354.23 is: 54,478.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,001.60 : 122,882.72 = 36,354.23 : x
  2. Step 2: Convert to fraction form
    82,001.60/122,882.72 = 36,354.23/x
  3. Step 3: Cross multiply
    82,001.60x = 122,882.72 × 36,354.23
  4. Step 4: Simplify right side
    82,001.60x = 4,467,305,869.72
  5. Step 5: Solve for x
    x = 4,467,305,869.72/82,001.60
  6. Step 6: Final answer
    x = 54,478.28

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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.