Home / 79,257.06-109,385.91-49,052.10

Finding the Fourth Proportional to 79,257.06, 109,385.91 and 49,052.10

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Solution

The fourth proportional to 79,257.06, 109,385.91 and 49,052.10 is: 67,698.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,257.06 : 109,385.91 = 49,052.10 : x
  2. Step 2: Convert to fraction form
    79,257.06/109,385.91 = 49,052.10/x
  3. Step 3: Cross multiply
    79,257.06x = 109,385.91 × 49,052.10
  4. Step 4: Simplify right side
    79,257.06x = 5,365,608,595.91
  5. Step 5: Solve for x
    x = 5,365,608,595.91/79,257.06
  6. Step 6: Final answer
    x = 67,698.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.