Home / 70,380.22-97,122.09-38,549.38

Finding the Fourth Proportional to 70,380.22, 97,122.09 and 38,549.38

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Solution

The fourth proportional to 70,380.22, 97,122.09 and 38,549.38 is: 53,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,380.22 : 97,122.09 = 38,549.38 : x
  2. Step 2: Convert to fraction form
    70,380.22/97,122.09 = 38,549.38/x
  3. Step 3: Cross multiply
    70,380.22x = 97,122.09 × 38,549.38
  4. Step 4: Simplify right side
    70,380.22x = 3,743,996,353.80
  5. Step 5: Solve for x
    x = 3,743,996,353.80/70,380.22
  6. Step 6: Final answer
    x = 53,196.71

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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.