Home / 86,201.52-129,302.43-27,041.85

Finding the Fourth Proportional to 86,201.52, 129,302.43 and 27,041.85

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Solution

The fourth proportional to 86,201.52, 129,302.43 and 27,041.85 is: 40,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,201.52 : 129,302.43 = 27,041.85 : x
  2. Step 2: Convert to fraction form
    86,201.52/129,302.43 = 27,041.85/x
  3. Step 3: Cross multiply
    86,201.52x = 129,302.43 × 27,041.85
  4. Step 4: Simplify right side
    86,201.52x = 3,496,577,239.95
  5. Step 5: Solve for x
    x = 3,496,577,239.95/86,201.52
  6. Step 6: Final answer
    x = 40,562.83

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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.