Home / 79,579.20-109,813.92-45,587.82

Finding the Fourth Proportional to 79,579.20, 109,813.92 and 45,587.82

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Solution

The fourth proportional to 79,579.20, 109,813.92 and 45,587.82 is: 62,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,579.20 : 109,813.92 = 45,587.82 : x
  2. Step 2: Convert to fraction form
    79,579.20/109,813.92 = 45,587.82/x
  3. Step 3: Cross multiply
    79,579.20x = 109,813.92 × 45,587.82
  4. Step 4: Simplify right side
    79,579.20x = 5,006,177,218.45
  5. Step 5: Solve for x
    x = 5,006,177,218.45/79,579.20
  6. Step 6: Final answer
    x = 62,908.11

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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.