Home / 70,749.62-97,634.94-38,917.70

Finding the Fourth Proportional to 70,749.62, 97,634.94 and 38,917.70

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Solution

The fourth proportional to 70,749.62, 97,634.94 and 38,917.70 is: 53,706.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,749.62 : 97,634.94 = 38,917.70 : x
  2. Step 2: Convert to fraction form
    70,749.62/97,634.94 = 38,917.70/x
  3. Step 3: Cross multiply
    70,749.62x = 97,634.94 × 38,917.70
  4. Step 4: Simplify right side
    70,749.62x = 3,799,727,304.44
  5. Step 5: Solve for x
    x = 3,799,727,304.44/70,749.62
  6. Step 6: Final answer
    x = 53,706.68

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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.