Home / 117,292.75-161,864.27-63,577.53

Finding the Fourth Proportional to 117,292.75, 161,864.27 and 63,577.53

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Solution

The fourth proportional to 117,292.75, 161,864.27 and 63,577.53 is: 87,737.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,292.75 : 161,864.27 = 63,577.53 : x
  2. Step 2: Convert to fraction form
    117,292.75/161,864.27 = 63,577.53/x
  3. Step 3: Cross multiply
    117,292.75x = 161,864.27 × 63,577.53
  4. Step 4: Simplify right side
    117,292.75x = 10,290,930,481.85
  5. Step 5: Solve for x
    x = 10,290,930,481.85/117,292.75
  6. Step 6: Final answer
    x = 87,737.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.