Home / 70,442.45-97,209.05-38,610.66

Finding the Fourth Proportional to 70,442.45, 97,209.05 and 38,610.66

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Solution

The fourth proportional to 70,442.45, 97,209.05 and 38,610.66 is: 53,281.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,442.45 : 97,209.05 = 38,610.66 : x
  2. Step 2: Convert to fraction form
    70,442.45/97,209.05 = 38,610.66/x
  3. Step 3: Cross multiply
    70,442.45x = 97,209.05 × 38,610.66
  4. Step 4: Simplify right side
    70,442.45x = 3,753,305,385.42
  5. Step 5: Solve for x
    x = 3,753,305,385.42/70,442.45
  6. Step 6: Final answer
    x = 53,281.87

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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.