Home / 90,881.24-125,397.79-55,050.44

Finding the Fourth Proportional to 90,881.24, 125,397.79 and 55,050.44

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Solution

The fourth proportional to 90,881.24, 125,397.79 and 55,050.44 is: 75,958.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,881.24 : 125,397.79 = 55,050.44 : x
  2. Step 2: Convert to fraction form
    90,881.24/125,397.79 = 55,050.44/x
  3. Step 3: Cross multiply
    90,881.24x = 125,397.79 × 55,050.44
  4. Step 4: Simplify right side
    90,881.24x = 6,903,202,749.91
  5. Step 5: Solve for x
    x = 6,903,202,749.91/90,881.24
  6. Step 6: Final answer
    x = 75,958.51

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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.