Home / 95,018.55-131,139.51-54,724.47

Finding the Fourth Proportional to 95,018.55, 131,139.51 and 54,724.47

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Solution

The fourth proportional to 95,018.55, 131,139.51 and 54,724.47 is: 75,527.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,018.55 : 131,139.51 = 54,724.47 : x
  2. Step 2: Convert to fraction form
    95,018.55/131,139.51 = 54,724.47/x
  3. Step 3: Cross multiply
    95,018.55x = 131,139.51 × 54,724.47
  4. Step 4: Simplify right side
    95,018.55x = 7,176,540,180.81
  5. Step 5: Solve for x
    x = 7,176,540,180.81/95,018.55
  6. Step 6: Final answer
    x = 75,527.78

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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.