Home / 90,081.24-124,299.42-51,826.25

Finding the Fourth Proportional to 90,081.24, 124,299.42 and 51,826.25

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Solution

The fourth proportional to 90,081.24, 124,299.42 and 51,826.25 is: 71,512.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,081.24 : 124,299.42 = 51,826.25 : x
  2. Step 2: Convert to fraction form
    90,081.24/124,299.42 = 51,826.25/x
  3. Step 3: Cross multiply
    90,081.24x = 124,299.42 × 51,826.25
  4. Step 4: Simplify right side
    90,081.24x = 6,441,972,815.78
  5. Step 5: Solve for x
    x = 6,441,972,815.78/90,081.24
  6. Step 6: Final answer
    x = 71,512.92

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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.