Home / 90,627.18-125,063.82-50,340.54

Finding the Fourth Proportional to 90,627.18, 125,063.82 and 50,340.54

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Solution

The fourth proportional to 90,627.18, 125,063.82 and 50,340.54 is: 69,469.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,627.18 : 125,063.82 = 50,340.54 : x
  2. Step 2: Convert to fraction form
    90,627.18/125,063.82 = 50,340.54/x
  3. Step 3: Cross multiply
    90,627.18x = 125,063.82 × 50,340.54
  4. Step 4: Simplify right side
    90,627.18x = 6,295,780,233.26
  5. Step 5: Solve for x
    x = 6,295,780,233.26/90,627.18
  6. Step 6: Final answer
    x = 69,469.01

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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.