Home / 70,027.75-96,639.61-38,197.79

Finding the Fourth Proportional to 70,027.75, 96,639.61 and 38,197.79

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Solution

The fourth proportional to 70,027.75, 96,639.61 and 38,197.79 is: 52,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,027.75 : 96,639.61 = 38,197.79 : x
  2. Step 2: Convert to fraction form
    70,027.75/96,639.61 = 38,197.79/x
  3. Step 3: Cross multiply
    70,027.75x = 96,639.61 × 38,197.79
  4. Step 4: Simplify right side
    70,027.75x = 3,691,418,949.77
  5. Step 5: Solve for x
    x = 3,691,418,949.77/70,027.75
  6. Step 6: Final answer
    x = 52,713.66

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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.