Home / 90,915.48-125,454.42-50,627.70

Finding the Fourth Proportional to 90,915.48, 125,454.42 and 50,627.70

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Solution

The fourth proportional to 90,915.48, 125,454.42 and 50,627.70 is: 69,861.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,915.48 : 125,454.42 = 50,627.70 : x
  2. Step 2: Convert to fraction form
    90,915.48/125,454.42 = 50,627.70/x
  3. Step 3: Cross multiply
    90,915.48x = 125,454.42 × 50,627.70
  4. Step 4: Simplify right side
    90,915.48x = 6,351,468,739.43
  5. Step 5: Solve for x
    x = 6,351,468,739.43/90,915.48
  6. Step 6: Final answer
    x = 69,861.25

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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.