Home / 90,394.26-124,730.97-50,108

Finding the Fourth Proportional to 90,394.26, 124,730.97 and 50,108

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Solution

The fourth proportional to 90,394.26, 124,730.97 and 50,108 is: 69,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,394.26 : 124,730.97 = 50,108 : x
  2. Step 2: Convert to fraction form
    90,394.26/124,730.97 = 50,108/x
  3. Step 3: Cross multiply
    90,394.26x = 124,730.97 × 50,108
  4. Step 4: Simplify right side
    90,394.26x = 6,250,019,444.76
  5. Step 5: Solve for x
    x = 6,250,019,444.76/90,394.26
  6. Step 6: Final answer
    x = 69,141.77

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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.