Home / 70,103.14-96,747.86-39,889.73

Finding the Fourth Proportional to 70,103.14, 96,747.86 and 39,889.73

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Solution

The fourth proportional to 70,103.14, 96,747.86 and 39,889.73 is: 55,050.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,103.14 : 96,747.86 = 39,889.73 : x
  2. Step 2: Convert to fraction form
    70,103.14/96,747.86 = 39,889.73/x
  3. Step 3: Cross multiply
    70,103.14x = 96,747.86 × 39,889.73
  4. Step 4: Simplify right side
    70,103.14x = 3,859,246,355.07
  5. Step 5: Solve for x
    x = 3,859,246,355.07/70,103.14
  6. Step 6: Final answer
    x = 55,050.98

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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.