Home / 88,023.92-132,046.11-31,890.45

Finding the Fourth Proportional to 88,023.92, 132,046.11 and 31,890.45

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Solution

The fourth proportional to 88,023.92, 132,046.11 and 31,890.45 is: 47,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,023.92 : 132,046.11 = 31,890.45 : x
  2. Step 2: Convert to fraction form
    88,023.92/132,046.11 = 31,890.45/x
  3. Step 3: Cross multiply
    88,023.92x = 132,046.11 × 31,890.45
  4. Step 4: Simplify right side
    88,023.92x = 4,211,009,868.65
  5. Step 5: Solve for x
    x = 4,211,009,868.65/88,023.92
  6. Step 6: Final answer
    x = 47,839.38

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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.