Home / 83,171.22-124,764.70-23,203.68

Finding the Fourth Proportional to 83,171.22, 124,764.70 and 23,203.68

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Solution

The fourth proportional to 83,171.22, 124,764.70 and 23,203.68 is: 34,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,171.22 : 124,764.70 = 23,203.68 : x
  2. Step 2: Convert to fraction form
    83,171.22/124,764.70 = 23,203.68/x
  3. Step 3: Cross multiply
    83,171.22x = 124,764.70 × 23,203.68
  4. Step 4: Simplify right side
    83,171.22x = 2,895,000,174.10
  5. Step 5: Solve for x
    x = 2,895,000,174.10/83,171.22
  6. Step 6: Final answer
    x = 34,807.72

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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.