Home / 70,375.15-97,118.97-38,542.00

Finding the Fourth Proportional to 70,375.15, 97,118.97 and 38,542.00

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Solution

The fourth proportional to 70,375.15, 97,118.97 and 38,542.00 is: 53,188.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,375.15 : 97,118.97 = 38,542.00 : x
  2. Step 2: Convert to fraction form
    70,375.15/97,118.97 = 38,542.00/x
  3. Step 3: Cross multiply
    70,375.15x = 97,118.97 × 38,542.00
  4. Step 4: Simplify right side
    70,375.15x = 3,743,159,734.85
  5. Step 5: Solve for x
    x = 3,743,159,734.85/70,375.15
  6. Step 6: Final answer
    x = 53,188.65

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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.