Home / 70,034.20-96,655.25-38,992.57

Finding the Fourth Proportional to 70,034.20, 96,655.25 and 38,992.57

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Solution

The fourth proportional to 70,034.20, 96,655.25 and 38,992.57 is: 53,814.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,034.20 : 96,655.25 = 38,992.57 : x
  2. Step 2: Convert to fraction form
    70,034.20/96,655.25 = 38,992.57/x
  3. Step 3: Cross multiply
    70,034.20x = 96,655.25 × 38,992.57
  4. Step 4: Simplify right side
    70,034.20x = 3,768,836,698.97
  5. Step 5: Solve for x
    x = 3,768,836,698.97/70,034.20
  6. Step 6: Final answer
    x = 53,814.23

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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.