Home / 70,610.08-97,441.96-38,780.56

Finding the Fourth Proportional to 70,610.08, 97,441.96 and 38,780.56

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Solution

The fourth proportional to 70,610.08, 97,441.96 and 38,780.56 is: 53,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,610.08 : 97,441.96 = 38,780.56 : x
  2. Step 2: Convert to fraction form
    70,610.08/97,441.96 = 38,780.56/x
  3. Step 3: Cross multiply
    70,610.08x = 97,441.96 × 38,780.56
  4. Step 4: Simplify right side
    70,610.08x = 3,778,853,776.30
  5. Step 5: Solve for x
    x = 3,778,853,776.30/70,610.08
  6. Step 6: Final answer
    x = 53,517.20

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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.