Home / 80,590.38-120,886.49-24,430.04

Finding the Fourth Proportional to 80,590.38, 120,886.49 and 24,430.04

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Solution

The fourth proportional to 80,590.38, 120,886.49 and 24,430.04 is: 36,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,590.38 : 120,886.49 = 24,430.04 : x
  2. Step 2: Convert to fraction form
    80,590.38/120,886.49 = 24,430.04/x
  3. Step 3: Cross multiply
    80,590.38x = 120,886.49 × 24,430.04
  4. Step 4: Simplify right side
    80,590.38x = 2,953,261,966.23
  5. Step 5: Solve for x
    x = 2,953,261,966.23/80,590.38
  6. Step 6: Final answer
    x = 36,645.34

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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.