Home / 86,127.25-129,193.29-23,797.75

Finding the Fourth Proportional to 86,127.25, 129,193.29 and 23,797.75

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Solution

The fourth proportional to 86,127.25, 129,193.29 and 23,797.75 is: 35,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,127.25 : 129,193.29 = 23,797.75 : x
  2. Step 2: Convert to fraction form
    86,127.25/129,193.29 = 23,797.75/x
  3. Step 3: Cross multiply
    86,127.25x = 129,193.29 × 23,797.75
  4. Step 4: Simplify right side
    86,127.25x = 3,074,509,617.10
  5. Step 5: Solve for x
    x = 3,074,509,617.10/86,127.25
  6. Step 6: Final answer
    x = 35,697.29

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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.