Home / 70,351.12-97,084.20-38,519.44

Finding the Fourth Proportional to 70,351.12, 97,084.20 and 38,519.44

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Solution

The fourth proportional to 70,351.12, 97,084.20 and 38,519.44 is: 53,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,351.12 : 97,084.20 = 38,519.44 : x
  2. Step 2: Convert to fraction form
    70,351.12/97,084.20 = 38,519.44/x
  3. Step 3: Cross multiply
    70,351.12x = 97,084.20 × 38,519.44
  4. Step 4: Simplify right side
    70,351.12x = 3,739,629,016.85
  5. Step 5: Solve for x
    x = 3,739,629,016.85/70,351.12
  6. Step 6: Final answer
    x = 53,156.64

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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.