Home / 88,137.15-132,177.69-28,959.18

Finding the Fourth Proportional to 88,137.15, 132,177.69 and 28,959.18

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Solution

The fourth proportional to 88,137.15, 132,177.69 and 28,959.18 is: 43,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,137.15 : 132,177.69 = 28,959.18 : x
  2. Step 2: Convert to fraction form
    88,137.15/132,177.69 = 28,959.18/x
  3. Step 3: Cross multiply
    88,137.15x = 132,177.69 × 28,959.18
  4. Step 4: Simplify right side
    88,137.15x = 3,827,757,516.69
  5. Step 5: Solve for x
    x = 3,827,757,516.69/88,137.15
  6. Step 6: Final answer
    x = 43,429.56

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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.