Home / 70,481.12-97,265.28-38,648.12

Finding the Fourth Proportional to 70,481.12, 97,265.28 and 38,648.12

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Solution

The fourth proportional to 70,481.12, 97,265.28 and 38,648.12 is: 53,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,481.12 : 97,265.28 = 38,648.12 : x
  2. Step 2: Convert to fraction form
    70,481.12/97,265.28 = 38,648.12/x
  3. Step 3: Cross multiply
    70,481.12x = 97,265.28 × 38,648.12
  4. Step 4: Simplify right side
    70,481.12x = 3,759,120,213.27
  5. Step 5: Solve for x
    x = 3,759,120,213.27/70,481.12
  6. Step 6: Final answer
    x = 53,335.14

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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.