Home / 90,764.88-125,253.36-49,370.82

Finding the Fourth Proportional to 90,764.88, 125,253.36 and 49,370.82

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Solution

The fourth proportional to 90,764.88, 125,253.36 and 49,370.82 is: 68,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,764.88 : 125,253.36 = 49,370.82 : x
  2. Step 2: Convert to fraction form
    90,764.88/125,253.36 = 49,370.82/x
  3. Step 3: Cross multiply
    90,764.88x = 125,253.36 × 49,370.82
  4. Step 4: Simplify right side
    90,764.88x = 6,183,861,090.96
  5. Step 5: Solve for x
    x = 6,183,861,090.96/90,764.88
  6. Step 6: Final answer
    x = 68,130.55

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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.