Home / 86,267.50-129,414.31-27,097.61

Finding the Fourth Proportional to 86,267.50, 129,414.31 and 27,097.61

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Solution

The fourth proportional to 86,267.50, 129,414.31 and 27,097.61 is: 40,650.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,267.50 : 129,414.31 = 27,097.61 : x
  2. Step 2: Convert to fraction form
    86,267.50/129,414.31 = 27,097.61/x
  3. Step 3: Cross multiply
    86,267.50x = 129,414.31 × 27,097.61
  4. Step 4: Simplify right side
    86,267.50x = 3,506,817,785.98
  5. Step 5: Solve for x
    x = 3,506,817,785.98/86,267.50
  6. Step 6: Final answer
    x = 40,650.51

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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.