Home / 90,934.94-125,496.52-55,126.46

Finding the Fourth Proportional to 90,934.94, 125,496.52 and 55,126.46

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Solution

The fourth proportional to 90,934.94, 125,496.52 and 55,126.46 is: 76,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,934.94 : 125,496.52 = 55,126.46 : x
  2. Step 2: Convert to fraction form
    90,934.94/125,496.52 = 55,126.46/x
  3. Step 3: Cross multiply
    90,934.94x = 125,496.52 × 55,126.46
  4. Step 4: Simplify right side
    90,934.94x = 6,918,178,124.62
  5. Step 5: Solve for x
    x = 6,918,178,124.62/90,934.94
  6. Step 6: Final answer
    x = 76,078.33

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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.