Home / 88,251.18-132,480.45-55,047.66

Finding the Fourth Proportional to 88,251.18, 132,480.45 and 55,047.66

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Solution

The fourth proportional to 88,251.18, 132,480.45 and 55,047.66 is: 82,636.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,251.18 : 132,480.45 = 55,047.66 : x
  2. Step 2: Convert to fraction form
    88,251.18/132,480.45 = 55,047.66/x
  3. Step 3: Cross multiply
    88,251.18x = 132,480.45 × 55,047.66
  4. Step 4: Simplify right side
    88,251.18x = 7,292,738,768.25
  5. Step 5: Solve for x
    x = 7,292,738,768.25/88,251.18
  6. Step 6: Final answer
    x = 82,636.16

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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.