Home / 90,722.64-125,190.15-50,433.95

Finding the Fourth Proportional to 90,722.64, 125,190.15 and 50,433.95

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Solution

The fourth proportional to 90,722.64, 125,190.15 and 50,433.95 is: 69,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,722.64 : 125,190.15 = 50,433.95 : x
  2. Step 2: Convert to fraction form
    90,722.64/125,190.15 = 50,433.95/x
  3. Step 3: Cross multiply
    90,722.64x = 125,190.15 × 50,433.95
  4. Step 4: Simplify right side
    90,722.64x = 6,313,833,327.09
  5. Step 5: Solve for x
    x = 6,313,833,327.09/90,722.64
  6. Step 6: Final answer
    x = 69,594.90

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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.