Home / 117,060.04-161,545.62-66,757.96

Finding the Fourth Proportional to 117,060.04, 161,545.62 and 66,757.96

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Solution

The fourth proportional to 117,060.04, 161,545.62 and 66,757.96 is: 92,127.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,060.04 : 161,545.62 = 66,757.96 : x
  2. Step 2: Convert to fraction form
    117,060.04/161,545.62 = 66,757.96/x
  3. Step 3: Cross multiply
    117,060.04x = 161,545.62 × 66,757.96
  4. Step 4: Simplify right side
    117,060.04x = 10,784,456,038.14
  5. Step 5: Solve for x
    x = 10,784,456,038.14/117,060.04
  6. Step 6: Final answer
    x = 92,127.56

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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.