Home / 69,353.28-95,680.80-48,121.92

Finding the Fourth Proportional to 69,353.28, 95,680.80 and 48,121.92

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Solution

The fourth proportional to 69,353.28, 95,680.80 and 48,121.92 is: 66,389.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,353.28 : 95,680.80 = 48,121.92 : x
  2. Step 2: Convert to fraction form
    69,353.28/95,680.80 = 48,121.92/x
  3. Step 3: Cross multiply
    69,353.28x = 95,680.80 × 48,121.92
  4. Step 4: Simplify right side
    69,353.28x = 4,604,343,803.14
  5. Step 5: Solve for x
    x = 4,604,343,803.14/69,353.28
  6. Step 6: Final answer
    x = 66,389.71

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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.