Home / 70,422.98-97,183.14-38,591.79

Finding the Fourth Proportional to 70,422.98, 97,183.14 and 38,591.79

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Solution

The fourth proportional to 70,422.98, 97,183.14 and 38,591.79 is: 53,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,422.98 : 97,183.14 = 38,591.79 : x
  2. Step 2: Convert to fraction form
    70,422.98/97,183.14 = 38,591.79/x
  3. Step 3: Cross multiply
    70,422.98x = 97,183.14 × 38,591.79
  4. Step 4: Simplify right side
    70,422.98x = 3,750,471,330.42
  5. Step 5: Solve for x
    x = 3,750,471,330.42/70,422.98
  6. Step 6: Final answer
    x = 53,256.36

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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.