Home / 55,110.50-76,052.30-29,959.82

Finding the Fourth Proportional to 55,110.50, 76,052.30 and 29,959.82

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Solution

The fourth proportional to 55,110.50, 76,052.30 and 29,959.82 is: 41,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,110.50 : 76,052.30 = 29,959.82 : x
  2. Step 2: Convert to fraction form
    55,110.50/76,052.30 = 29,959.82/x
  3. Step 3: Cross multiply
    55,110.50x = 76,052.30 × 29,959.82
  4. Step 4: Simplify right side
    55,110.50x = 2,278,513,218.59
  5. Step 5: Solve for x
    x = 2,278,513,218.59/55,110.50
  6. Step 6: Final answer
    x = 41,344.45

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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.