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Finding the Fourth Proportional to 88,668.87, 132,974.74 and 29,488.65

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Solution

The fourth proportional to 88,668.87, 132,974.74 and 29,488.65 is: 44,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,668.87 : 132,974.74 = 29,488.65 : x
  2. Step 2: Convert to fraction form
    88,668.87/132,974.74 = 29,488.65/x
  3. Step 3: Cross multiply
    88,668.87x = 132,974.74 × 29,488.65
  4. Step 4: Simplify right side
    88,668.87x = 3,921,245,566.70
  5. Step 5: Solve for x
    x = 3,921,245,566.70/88,668.87
  6. Step 6: Final answer
    x = 44,223.48

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1.5x scale

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.