Home / 70,734.32-97,614.17-38,903.75

Finding the Fourth Proportional to 70,734.32, 97,614.17 and 38,903.75

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Solution

The fourth proportional to 70,734.32, 97,614.17 and 38,903.75 is: 53,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,734.32 : 97,614.17 = 38,903.75 : x
  2. Step 2: Convert to fraction form
    70,734.32/97,614.17 = 38,903.75/x
  3. Step 3: Cross multiply
    70,734.32x = 97,614.17 × 38,903.75
  4. Step 4: Simplify right side
    70,734.32x = 3,797,557,266.14
  5. Step 5: Solve for x
    x = 3,797,557,266.14/70,734.32
  6. Step 6: Final answer
    x = 53,687.62

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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.