Home / 79,565.49-109,803.20-43,758.27

Finding the Fourth Proportional to 79,565.49, 109,803.20 and 43,758.27

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Solution

The fourth proportional to 79,565.49, 109,803.20 and 43,758.27 is: 60,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,565.49 : 109,803.20 = 43,758.27 : x
  2. Step 2: Convert to fraction form
    79,565.49/109,803.20 = 43,758.27/x
  3. Step 3: Cross multiply
    79,565.49x = 109,803.20 × 43,758.27
  4. Step 4: Simplify right side
    79,565.49x = 4,804,797,853.67
  5. Step 5: Solve for x
    x = 4,804,797,853.67/79,565.49
  6. Step 6: Final answer
    x = 60,387.96

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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.