Home / 109,727.46-151,489.16-69,475.73

Finding the Fourth Proportional to 109,727.46, 151,489.16 and 69,475.73

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Solution

The fourth proportional to 109,727.46, 151,489.16 and 69,475.73 is: 95,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,727.46 : 151,489.16 = 69,475.73 : x
  2. Step 2: Convert to fraction form
    109,727.46/151,489.16 = 69,475.73/x
  3. Step 3: Cross multiply
    109,727.46x = 151,489.16 × 69,475.73
  4. Step 4: Simplify right side
    109,727.46x = 10,524,818,873.26
  5. Step 5: Solve for x
    x = 10,524,818,873.26/109,727.46
  6. Step 6: Final answer
    x = 95,917.82

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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.