Home / 70,704.27-97,565.61-38,872.47

Finding the Fourth Proportional to 70,704.27, 97,565.61 and 38,872.47

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Solution

The fourth proportional to 70,704.27, 97,565.61 and 38,872.47 is: 53,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,704.27 : 97,565.61 = 38,872.47 : x
  2. Step 2: Convert to fraction form
    70,704.27/97,565.61 = 38,872.47/x
  3. Step 3: Cross multiply
    70,704.27x = 97,565.61 × 38,872.47
  4. Step 4: Simplify right side
    70,704.27x = 3,792,616,247.76
  5. Step 5: Solve for x
    x = 3,792,616,247.76/70,704.27
  6. Step 6: Final answer
    x = 53,640.55

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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.