Home / 90,544.63-124,951.38-50,258.88

Finding the Fourth Proportional to 90,544.63, 124,951.38 and 50,258.88

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Solution

The fourth proportional to 90,544.63, 124,951.38 and 50,258.88 is: 69,357.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,544.63 : 124,951.38 = 50,258.88 : x
  2. Step 2: Convert to fraction form
    90,544.63/124,951.38 = 50,258.88/x
  3. Step 3: Cross multiply
    90,544.63x = 124,951.38 × 50,258.88
  4. Step 4: Simplify right side
    90,544.63x = 6,279,915,537.20
  5. Step 5: Solve for x
    x = 6,279,915,537.20/90,544.63
  6. Step 6: Final answer
    x = 69,357.13

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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.