Home / 91,247.75-125,912.88-50,960.63

Finding the Fourth Proportional to 91,247.75, 125,912.88 and 50,960.63

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Solution

The fourth proportional to 91,247.75, 125,912.88 and 50,960.63 is: 70,320.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,247.75 : 125,912.88 = 50,960.63 : x
  2. Step 2: Convert to fraction form
    91,247.75/125,912.88 = 50,960.63/x
  3. Step 3: Cross multiply
    91,247.75x = 125,912.88 × 50,960.63
  4. Step 4: Simplify right side
    91,247.75x = 6,416,599,689.91
  5. Step 5: Solve for x
    x = 6,416,599,689.91/91,247.75
  6. Step 6: Final answer
    x = 70,320.63

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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.