Home / 90,391.44-124,747.85-50,117.84

Finding the Fourth Proportional to 90,391.44, 124,747.85 and 50,117.84

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Solution

The fourth proportional to 90,391.44, 124,747.85 and 50,117.84 is: 69,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,391.44 : 124,747.85 = 50,117.84 : x
  2. Step 2: Convert to fraction form
    90,391.44/124,747.85 = 50,117.84/x
  3. Step 3: Cross multiply
    90,391.44x = 124,747.85 × 50,117.84
  4. Step 4: Simplify right side
    90,391.44x = 6,252,092,474.09
  5. Step 5: Solve for x
    x = 6,252,092,474.09/90,391.44
  6. Step 6: Final answer
    x = 69,166.86

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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.