Home / 86,080.41-129,113.28-29,906.10

Finding the Fourth Proportional to 86,080.41, 129,113.28 and 29,906.10

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Solution

The fourth proportional to 86,080.41, 129,113.28 and 29,906.10 is: 44,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,080.41 : 129,113.28 = 29,906.10 : x
  2. Step 2: Convert to fraction form
    86,080.41/129,113.28 = 29,906.10/x
  3. Step 3: Cross multiply
    86,080.41x = 129,113.28 × 29,906.10
  4. Step 4: Simplify right side
    86,080.41x = 3,861,274,663.01
  5. Step 5: Solve for x
    x = 3,861,274,663.01/86,080.41
  6. Step 6: Final answer
    x = 44,856.60

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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.