Home / 91,096.40-125,713.68-50,812.76

Finding the Fourth Proportional to 91,096.40, 125,713.68 and 50,812.76

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Solution

The fourth proportional to 91,096.40, 125,713.68 and 50,812.76 is: 70,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,096.40 : 125,713.68 = 50,812.76 : x
  2. Step 2: Convert to fraction form
    91,096.40/125,713.68 = 50,812.76/x
  3. Step 3: Cross multiply
    91,096.40x = 125,713.68 × 50,812.76
  4. Step 4: Simplify right side
    91,096.40x = 6,387,859,050.56
  5. Step 5: Solve for x
    x = 6,387,859,050.56/91,096.40
  6. Step 6: Final answer
    x = 70,121.97

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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.