Home / 79,082.38-109,185.60-47,261.26

Finding the Fourth Proportional to 79,082.38, 109,185.60 and 47,261.26

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Solution

The fourth proportional to 79,082.38, 109,185.60 and 47,261.26 is: 65,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,082.38 : 109,185.60 = 47,261.26 : x
  2. Step 2: Convert to fraction form
    79,082.38/109,185.60 = 47,261.26/x
  3. Step 3: Cross multiply
    79,082.38x = 109,185.60 × 47,261.26
  4. Step 4: Simplify right side
    79,082.38x = 5,160,249,029.86
  5. Step 5: Solve for x
    x = 5,160,249,029.86/79,082.38
  6. Step 6: Final answer
    x = 65,251.56

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1.5x scale

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.