Home / 86,223.11-129,356.52-27,059.28

Finding the Fourth Proportional to 86,223.11, 129,356.52 and 27,059.28

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Solution

The fourth proportional to 86,223.11, 129,356.52 and 27,059.28 is: 40,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,223.11 : 129,356.52 = 27,059.28 : x
  2. Step 2: Convert to fraction form
    86,223.11/129,356.52 = 27,059.28/x
  3. Step 3: Cross multiply
    86,223.11x = 129,356.52 × 27,059.28
  4. Step 4: Simplify right side
    86,223.11x = 3,500,294,294.51
  5. Step 5: Solve for x
    x = 3,500,294,294.51/86,223.11
  6. Step 6: Final answer
    x = 40,595.78

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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.