Home / 70,685.11-97,546.85-38,856.97

Finding the Fourth Proportional to 70,685.11, 97,546.85 and 38,856.97

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Solution

The fourth proportional to 70,685.11, 97,546.85 and 38,856.97 is: 53,623.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,685.11 : 97,546.85 = 38,856.97 : x
  2. Step 2: Convert to fraction form
    70,685.11/97,546.85 = 38,856.97/x
  3. Step 3: Cross multiply
    70,685.11x = 97,546.85 × 38,856.97
  4. Step 4: Simplify right side
    70,685.11x = 3,790,375,024.04
  5. Step 5: Solve for x
    x = 3,790,375,024.04/70,685.11
  6. Step 6: Final answer
    x = 53,623.39

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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.