Home / 86,497.28-129,759.20-36,577.44

Finding the Fourth Proportional to 86,497.28, 129,759.20 and 36,577.44

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Solution

The fourth proportional to 86,497.28, 129,759.20 and 36,577.44 is: 54,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,497.28 : 129,759.20 = 36,577.44 : x
  2. Step 2: Convert to fraction form
    86,497.28/129,759.20 = 36,577.44/x
  3. Step 3: Cross multiply
    86,497.28x = 129,759.20 × 36,577.44
  4. Step 4: Simplify right side
    86,497.28x = 4,746,259,352.45
  5. Step 5: Solve for x
    x = 4,746,259,352.45/86,497.28
  6. Step 6: Final answer
    x = 54,871.78

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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.