Home / 70,046.96-96,664.68-38,215.88

Finding the Fourth Proportional to 70,046.96, 96,664.68 and 38,215.88

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Solution

The fourth proportional to 70,046.96, 96,664.68 and 38,215.88 is: 52,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,046.96 : 96,664.68 = 38,215.88 : x
  2. Step 2: Convert to fraction form
    70,046.96/96,664.68 = 38,215.88/x
  3. Step 3: Cross multiply
    70,046.96x = 96,664.68 × 38,215.88
  4. Step 4: Simplify right side
    70,046.96x = 3,694,125,811.12
  5. Step 5: Solve for x
    x = 3,694,125,811.12/70,046.96
  6. Step 6: Final answer
    x = 52,737.85

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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.