Home / 103,456.80-155,275.92-59,172.48

Finding the Fourth Proportional to 103,456.80, 155,275.92 and 59,172.48

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Solution

The fourth proportional to 103,456.80, 155,275.92 and 59,172.48 is: 88,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,456.80 : 155,275.92 = 59,172.48 : x
  2. Step 2: Convert to fraction form
    103,456.80/155,275.92 = 59,172.48/x
  3. Step 3: Cross multiply
    103,456.80x = 155,275.92 × 59,172.48
  4. Step 4: Simplify right side
    103,456.80x = 9,188,061,270.68
  5. Step 5: Solve for x
    x = 9,188,061,270.68/103,456.80
  6. Step 6: Final answer
    x = 88,810.61

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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.