Home / 55,061.20-75,982.20-29,910.16

Finding the Fourth Proportional to 55,061.20, 75,982.20 and 29,910.16

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Solution

The fourth proportional to 55,061.20, 75,982.20 and 29,910.16 is: 41,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,061.20 : 75,982.20 = 29,910.16 : x
  2. Step 2: Convert to fraction form
    55,061.20/75,982.20 = 29,910.16/x
  3. Step 3: Cross multiply
    55,061.20x = 75,982.20 × 29,910.16
  4. Step 4: Simplify right side
    55,061.20x = 2,272,639,759.15
  5. Step 5: Solve for x
    x = 2,272,639,759.15/55,061.20
  6. Step 6: Final answer
    x = 41,274.80

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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.