Home / 70,778.28-106,163.94-26,401.62

Finding the Fourth Proportional to 70,778.28, 106,163.94 and 26,401.62

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Solution

The fourth proportional to 70,778.28, 106,163.94 and 26,401.62 is: 39,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,778.28 : 106,163.94 = 26,401.62 : x
  2. Step 2: Convert to fraction form
    70,778.28/106,163.94 = 26,401.62/x
  3. Step 3: Cross multiply
    70,778.28x = 106,163.94 × 26,401.62
  4. Step 4: Simplify right side
    70,778.28x = 2,802,900,001.58
  5. Step 5: Solve for x
    x = 2,802,900,001.58/70,778.28
  6. Step 6: Final answer
    x = 39,601.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.