Home / 86,517.81-129,796.90-29,592.16

Finding the Fourth Proportional to 86,517.81, 129,796.90 and 29,592.16

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Solution

The fourth proportional to 86,517.81, 129,796.90 and 29,592.16 is: 44,395.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,517.81 : 129,796.90 = 29,592.16 : x
  2. Step 2: Convert to fraction form
    86,517.81/129,796.90 = 29,592.16/x
  3. Step 3: Cross multiply
    86,517.81x = 129,796.90 × 29,592.16
  4. Step 4: Simplify right side
    86,517.81x = 3,840,970,632.30
  5. Step 5: Solve for x
    x = 3,840,970,632.30/86,517.81
  6. Step 6: Final answer
    x = 44,395.14

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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.