Home / 79,645.44-119,464.20-29,721.72

Finding the Fourth Proportional to 79,645.44, 119,464.20 and 29,721.72

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Solution

The fourth proportional to 79,645.44, 119,464.20 and 29,721.72 is: 44,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,645.44 : 119,464.20 = 29,721.72 : x
  2. Step 2: Convert to fraction form
    79,645.44/119,464.20 = 29,721.72/x
  3. Step 3: Cross multiply
    79,645.44x = 119,464.20 × 29,721.72
  4. Step 4: Simplify right side
    79,645.44x = 3,550,681,502.42
  5. Step 5: Solve for x
    x = 3,550,681,502.42/79,645.44
  6. Step 6: Final answer
    x = 44,581.10

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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.