Home / 90,579.24-124,993.26-50,290.92

Finding the Fourth Proportional to 90,579.24, 124,993.26 and 50,290.92

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Solution

The fourth proportional to 90,579.24, 124,993.26 and 50,290.92 is: 69,398.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,579.24 : 124,993.26 = 50,290.92 : x
  2. Step 2: Convert to fraction form
    90,579.24/124,993.26 = 50,290.92/x
  3. Step 3: Cross multiply
    90,579.24x = 124,993.26 × 50,290.92
  4. Step 4: Simplify right side
    90,579.24x = 6,286,026,039.20
  5. Step 5: Solve for x
    x = 6,286,026,039.20/90,579.24
  6. Step 6: Final answer
    x = 69,398.09

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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.