Home / 70,045.62-96,662.34-38,215.86

Finding the Fourth Proportional to 70,045.62, 96,662.34 and 38,215.86

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Solution

The fourth proportional to 70,045.62, 96,662.34 and 38,215.86 is: 52,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,045.62 : 96,662.34 = 38,215.86 : x
  2. Step 2: Convert to fraction form
    70,045.62/96,662.34 = 38,215.86/x
  3. Step 3: Cross multiply
    70,045.62x = 96,662.34 × 38,215.86
  4. Step 4: Simplify right side
    70,045.62x = 3,694,034,452.71
  5. Step 5: Solve for x
    x = 3,694,034,452.71/70,045.62
  6. Step 6: Final answer
    x = 52,737.55

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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.