Home / 109,739.17-151,452.33-61,995.59

Finding the Fourth Proportional to 109,739.17, 151,452.33 and 61,995.59

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Solution

The fourth proportional to 109,739.17, 151,452.33 and 61,995.59 is: 85,560.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,739.17 : 151,452.33 = 61,995.59 : x
  2. Step 2: Convert to fraction form
    109,739.17/151,452.33 = 61,995.59/x
  3. Step 3: Cross multiply
    109,739.17x = 151,452.33 × 61,995.59
  4. Step 4: Simplify right side
    109,739.17x = 9,389,375,797.96
  5. Step 5: Solve for x
    x = 9,389,375,797.96/109,739.17
  6. Step 6: Final answer
    x = 85,560.85

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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.