Home / 70,163.62-96,928.25-60,715.78

Finding the Fourth Proportional to 70,163.62, 96,928.25 and 60,715.78

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Solution

The fourth proportional to 70,163.62, 96,928.25 and 60,715.78 is: 83,876.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,163.62 : 96,928.25 = 60,715.78 : x
  2. Step 2: Convert to fraction form
    70,163.62/96,928.25 = 60,715.78/x
  3. Step 3: Cross multiply
    70,163.62x = 96,928.25 × 60,715.78
  4. Step 4: Simplify right side
    70,163.62x = 5,885,073,756.89
  5. Step 5: Solve for x
    x = 5,885,073,756.89/70,163.62
  6. Step 6: Final answer
    x = 83,876.43

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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.