Home / 86,296.77-129,459.92-39,553.65

Finding the Fourth Proportional to 86,296.77, 129,459.92 and 39,553.65

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Solution

The fourth proportional to 86,296.77, 129,459.92 and 39,553.65 is: 59,337.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,296.77 : 129,459.92 = 39,553.65 : x
  2. Step 2: Convert to fraction form
    86,296.77/129,459.92 = 39,553.65/x
  3. Step 3: Cross multiply
    86,296.77x = 129,459.92 × 39,553.65
  4. Step 4: Simplify right side
    86,296.77x = 5,120,612,166.94
  5. Step 5: Solve for x
    x = 5,120,612,166.94/86,296.77
  6. Step 6: Final answer
    x = 59,337.24

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1.5x scale

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.