Home / 107,079.24-147,769.02-69,418.92

Finding the Fourth Proportional to 107,079.24, 147,769.02 and 69,418.92

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Solution

The fourth proportional to 107,079.24, 147,769.02 and 69,418.92 is: 95,797.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,079.24 : 147,769.02 = 69,418.92 : x
  2. Step 2: Convert to fraction form
    107,079.24/147,769.02 = 69,418.92/x
  3. Step 3: Cross multiply
    107,079.24x = 147,769.02 × 69,418.92
  4. Step 4: Simplify right side
    107,079.24x = 10,257,965,777.86
  5. Step 5: Solve for x
    x = 10,257,965,777.86/107,079.24
  6. Step 6: Final answer
    x = 95,797.89

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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.