Home / 50,778.14-70,073.88-28,422.14

Finding the Fourth Proportional to 50,778.14, 70,073.88 and 28,422.14

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Solution

The fourth proportional to 50,778.14, 70,073.88 and 28,422.14 is: 39,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,778.14 : 70,073.88 = 28,422.14 : x
  2. Step 2: Convert to fraction form
    50,778.14/70,073.88 = 28,422.14/x
  3. Step 3: Cross multiply
    50,778.14x = 70,073.88 × 28,422.14
  4. Step 4: Simplify right side
    50,778.14x = 1,991,649,627.70
  5. Step 5: Solve for x
    x = 1,991,649,627.70/50,778.14
  6. Step 6: Final answer
    x = 39,222.58

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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.