Home / 71,226.68-98,289.59-38,960.73

Finding the Fourth Proportional to 71,226.68, 98,289.59 and 38,960.73

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Solution

The fourth proportional to 71,226.68, 98,289.59 and 38,960.73 is: 53,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,226.68 : 98,289.59 = 38,960.73 : x
  2. Step 2: Convert to fraction form
    71,226.68/98,289.59 = 38,960.73/x
  3. Step 3: Cross multiply
    71,226.68x = 98,289.59 × 38,960.73
  4. Step 4: Simplify right side
    71,226.68x = 3,829,433,983.00
  5. Step 5: Solve for x
    x = 3,829,433,983.00/71,226.68
  6. Step 6: Final answer
    x = 53,764.04

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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.