Home / 90,638.36-125,100.92-50,365.96

Finding the Fourth Proportional to 90,638.36, 125,100.92 and 50,365.96

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Solution

The fourth proportional to 90,638.36, 125,100.92 and 50,365.96 is: 69,516.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,638.36 : 125,100.92 = 50,365.96 : x
  2. Step 2: Convert to fraction form
    90,638.36/125,100.92 = 50,365.96/x
  3. Step 3: Cross multiply
    90,638.36x = 125,100.92 × 50,365.96
  4. Step 4: Simplify right side
    90,638.36x = 6,300,827,932.68
  5. Step 5: Solve for x
    x = 6,300,827,932.68/90,638.36
  6. Step 6: Final answer
    x = 69,516.13

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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.