Home / 70,104.14-96,749.24-39,890.73

Finding the Fourth Proportional to 70,104.14, 96,749.24 and 39,890.73

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Solution

The fourth proportional to 70,104.14, 96,749.24 and 39,890.73 is: 55,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,104.14 : 96,749.24 = 39,890.73 : x
  2. Step 2: Convert to fraction form
    70,104.14/96,749.24 = 39,890.73/x
  3. Step 3: Cross multiply
    70,104.14x = 96,749.24 × 39,890.73
  4. Step 4: Simplify right side
    70,104.14x = 3,859,397,810.55
  5. Step 5: Solve for x
    x = 3,859,397,810.55/70,104.14
  6. Step 6: Final answer
    x = 55,052.35

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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.