Home / 69,191.17-103,407.66-50,510.55

Finding the Fourth Proportional to 69,191.17, 103,407.66 and 50,510.55

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Solution

The fourth proportional to 69,191.17, 103,407.66 and 50,510.55 is: 75,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,191.17 : 103,407.66 = 50,510.55 : x
  2. Step 2: Convert to fraction form
    69,191.17/103,407.66 = 50,510.55/x
  3. Step 3: Cross multiply
    69,191.17x = 103,407.66 × 50,510.55
  4. Step 4: Simplify right side
    69,191.17x = 5,223,177,200.64
  5. Step 5: Solve for x
    x = 5,223,177,200.64/69,191.17
  6. Step 6: Final answer
    x = 75,489.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.