Home / 70,087.10-96,722.49-38,257.70

Finding the Fourth Proportional to 70,087.10, 96,722.49 and 38,257.70

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Solution

The fourth proportional to 70,087.10, 96,722.49 and 38,257.70 is: 52,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,087.10 : 96,722.49 = 38,257.70 : x
  2. Step 2: Convert to fraction form
    70,087.10/96,722.49 = 38,257.70/x
  3. Step 3: Cross multiply
    70,087.10x = 96,722.49 × 38,257.70
  4. Step 4: Simplify right side
    70,087.10x = 3,700,380,005.67
  5. Step 5: Solve for x
    x = 3,700,380,005.67/70,087.10
  6. Step 6: Final answer
    x = 52,796.88

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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.