Home / 90,510.39-124,912.17-50,232.03

Finding the Fourth Proportional to 90,510.39, 124,912.17 and 50,232.03

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Solution

The fourth proportional to 90,510.39, 124,912.17 and 50,232.03 is: 69,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,510.39 : 124,912.17 = 50,232.03 : x
  2. Step 2: Convert to fraction form
    90,510.39/124,912.17 = 50,232.03/x
  3. Step 3: Cross multiply
    90,510.39x = 124,912.17 × 50,232.03
  4. Step 4: Simplify right side
    90,510.39x = 6,274,591,870.81
  5. Step 5: Solve for x
    x = 6,274,591,870.81/90,510.39
  6. Step 6: Final answer
    x = 69,324.55

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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.