Home / 90,605.14-125,014.92-54,794.36

Finding the Fourth Proportional to 90,605.14, 125,014.92 and 54,794.36

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Solution

The fourth proportional to 90,605.14, 125,014.92 and 54,794.36 is: 75,604.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,605.14 : 125,014.92 = 54,794.36 : x
  2. Step 2: Convert to fraction form
    90,605.14/125,014.92 = 54,794.36/x
  3. Step 3: Cross multiply
    90,605.14x = 125,014.92 × 54,794.36
  4. Step 4: Simplify right side
    90,605.14x = 6,850,112,531.85
  5. Step 5: Solve for x
    x = 6,850,112,531.85/90,605.14
  6. Step 6: Final answer
    x = 75,604.02

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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.