Home / 70,937.08-97,183.40-68,278.12

Finding the Fourth Proportional to 70,937.08, 97,183.40 and 68,278.12

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Solution

The fourth proportional to 70,937.08, 97,183.40 and 68,278.12 is: 93,540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,937.08 : 97,183.40 = 68,278.12 : x
  2. Step 2: Convert to fraction form
    70,937.08/97,183.40 = 68,278.12/x
  3. Step 3: Cross multiply
    70,937.08x = 97,183.40 × 68,278.12
  4. Step 4: Simplify right side
    70,937.08x = 6,635,499,847.21
  5. Step 5: Solve for x
    x = 6,635,499,847.21/70,937.08
  6. Step 6: Final answer
    x = 93,540.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.