Home / 86,201.89-129,302.40-22,159.96

Finding the Fourth Proportional to 86,201.89, 129,302.40 and 22,159.96

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Solution

The fourth proportional to 86,201.89, 129,302.40 and 22,159.96 is: 33,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,201.89 : 129,302.40 = 22,159.96 : x
  2. Step 2: Convert to fraction form
    86,201.89/129,302.40 = 22,159.96/x
  3. Step 3: Cross multiply
    86,201.89x = 129,302.40 × 22,159.96
  4. Step 4: Simplify right side
    86,201.89x = 2,865,336,011.90
  5. Step 5: Solve for x
    x = 2,865,336,011.90/86,201.89
  6. Step 6: Final answer
    x = 33,239.83

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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.