Home / 70,683.57-97,542.01-38,851.78

Finding the Fourth Proportional to 70,683.57, 97,542.01 and 38,851.78

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Solution

The fourth proportional to 70,683.57, 97,542.01 and 38,851.78 is: 53,614.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,683.57 : 97,542.01 = 38,851.78 : x
  2. Step 2: Convert to fraction form
    70,683.57/97,542.01 = 38,851.78/x
  3. Step 3: Cross multiply
    70,683.57x = 97,542.01 × 38,851.78
  4. Step 4: Simplify right side
    70,683.57x = 3,789,680,713.28
  5. Step 5: Solve for x
    x = 3,789,680,713.28/70,683.57
  6. Step 6: Final answer
    x = 53,614.73

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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.