Home / 90,860.32-125,388.66-50,574.52

Finding the Fourth Proportional to 90,860.32, 125,388.66 and 50,574.52

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Solution

The fourth proportional to 90,860.32, 125,388.66 and 50,574.52 is: 69,793.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,860.32 : 125,388.66 = 50,574.52 : x
  2. Step 2: Convert to fraction form
    90,860.32/125,388.66 = 50,574.52/x
  3. Step 3: Cross multiply
    90,860.32x = 125,388.66 × 50,574.52
  4. Step 4: Simplify right side
    90,860.32x = 6,341,471,292.94
  5. Step 5: Solve for x
    x = 6,341,471,292.94/90,860.32
  6. Step 6: Final answer
    x = 69,793.63

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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.