Home / 55,061.83-75,983.29-29,910.79

Finding the Fourth Proportional to 55,061.83, 75,983.29 and 29,910.79

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Solution

The fourth proportional to 55,061.83, 75,983.29 and 29,910.79 is: 41,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,061.83 : 75,983.29 = 29,910.79 : x
  2. Step 2: Convert to fraction form
    55,061.83/75,983.29 = 29,910.79/x
  3. Step 3: Cross multiply
    55,061.83x = 75,983.29 × 29,910.79
  4. Step 4: Simplify right side
    55,061.83x = 2,272,720,230.70
  5. Step 5: Solve for x
    x = 2,272,720,230.70/55,061.83
  6. Step 6: Final answer
    x = 41,275.78

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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.