Home / 115,517.48-159,347.60-69,545.15

Finding the Fourth Proportional to 115,517.48, 159,347.60 and 69,545.15

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Solution

The fourth proportional to 115,517.48, 159,347.60 and 69,545.15 is: 95,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,517.48 : 159,347.60 = 69,545.15 : x
  2. Step 2: Convert to fraction form
    115,517.48/159,347.60 = 69,545.15/x
  3. Step 3: Cross multiply
    115,517.48x = 159,347.60 × 69,545.15
  4. Step 4: Simplify right side
    115,517.48x = 11,081,851,814.26
  5. Step 5: Solve for x
    x = 11,081,851,814.26/115,517.48
  6. Step 6: Final answer
    x = 95,932.25

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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.