Home / 88,731.90-132,947.54-53,597.76

Finding the Fourth Proportional to 88,731.90, 132,947.54 and 53,597.76

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Solution

The fourth proportional to 88,731.90, 132,947.54 and 53,597.76 is: 80,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,731.90 : 132,947.54 = 53,597.76 : x
  2. Step 2: Convert to fraction form
    88,731.90/132,947.54 = 53,597.76/x
  3. Step 3: Cross multiply
    88,731.90x = 132,947.54 × 53,597.76
  4. Step 4: Simplify right side
    88,731.90x = 7,125,690,341.51
  5. Step 5: Solve for x
    x = 7,125,690,341.51/88,731.90
  6. Step 6: Final answer
    x = 80,305.85

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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.