Home / 86,147.28-129,300.88-44,057.44

Finding the Fourth Proportional to 86,147.28, 129,300.88 and 44,057.44

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Solution

The fourth proportional to 86,147.28, 129,300.88 and 44,057.44 is: 66,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,147.28 : 129,300.88 = 44,057.44 : x
  2. Step 2: Convert to fraction form
    86,147.28/129,300.88 = 44,057.44/x
  3. Step 3: Cross multiply
    86,147.28x = 129,300.88 × 44,057.44
  4. Step 4: Simplify right side
    86,147.28x = 5,696,665,762.55
  5. Step 5: Solve for x
    x = 5,696,665,762.55/86,147.28
  6. Step 6: Final answer
    x = 66,127.05

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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.