Home / 90,452.32-124,831.67-50,179.05

Finding the Fourth Proportional to 90,452.32, 124,831.67 and 50,179.05

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Solution

The fourth proportional to 90,452.32, 124,831.67 and 50,179.05 is: 69,251.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,452.32 : 124,831.67 = 50,179.05 : x
  2. Step 2: Convert to fraction form
    90,452.32/124,831.67 = 50,179.05/x
  3. Step 3: Cross multiply
    90,452.32x = 124,831.67 × 50,179.05
  4. Step 4: Simplify right side
    90,452.32x = 6,263,934,359.62
  5. Step 5: Solve for x
    x = 6,263,934,359.62/90,452.32
  6. Step 6: Final answer
    x = 69,251.23

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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.