Home / 90,351.80-124,676.78-50,067.96

Finding the Fourth Proportional to 90,351.80, 124,676.78 and 50,067.96

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Solution

The fourth proportional to 90,351.80, 124,676.78 and 50,067.96 is: 69,088.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,351.80 : 124,676.78 = 50,067.96 : x
  2. Step 2: Convert to fraction form
    90,351.80/124,676.78 = 50,067.96/x
  3. Step 3: Cross multiply
    90,351.80x = 124,676.78 × 50,067.96
  4. Step 4: Simplify right side
    90,351.80x = 6,242,312,033.97
  5. Step 5: Solve for x
    x = 6,242,312,033.97/90,351.80
  6. Step 6: Final answer
    x = 69,088.96

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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.