Home / 70,349.20-97,078.92-38,517.52

Finding the Fourth Proportional to 70,349.20, 97,078.92 and 38,517.52

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Solution

The fourth proportional to 70,349.20, 97,078.92 and 38,517.52 is: 53,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,349.20 : 97,078.92 = 38,517.52 : x
  2. Step 2: Convert to fraction form
    70,349.20/97,078.92 = 38,517.52/x
  3. Step 3: Cross multiply
    70,349.20x = 97,078.92 × 38,517.52
  4. Step 4: Simplify right side
    70,349.20x = 3,739,239,242.68
  5. Step 5: Solve for x
    x = 3,739,239,242.68/70,349.20
  6. Step 6: Final answer
    x = 53,152.55

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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.