Home / 97,255.68-134,179.92-79,319.52

Finding the Fourth Proportional to 97,255.68, 134,179.92 and 79,319.52

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Solution

The fourth proportional to 97,255.68, 134,179.92 and 79,319.52 is: 109,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,255.68 : 134,179.92 = 79,319.52 : x
  2. Step 2: Convert to fraction form
    97,255.68/134,179.92 = 79,319.52/x
  3. Step 3: Cross multiply
    97,255.68x = 134,179.92 × 79,319.52
  4. Step 4: Simplify right side
    97,255.68x = 10,643,086,848.04
  5. Step 5: Solve for x
    x = 10,643,086,848.04/97,255.68
  6. Step 6: Final answer
    x = 109,434.09

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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.