Home / 87,801.75-121,167.27-47,516.36

Finding the Fourth Proportional to 87,801.75, 121,167.27 and 47,516.36

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Solution

The fourth proportional to 87,801.75, 121,167.27 and 47,516.36 is: 65,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,801.75 : 121,167.27 = 47,516.36 : x
  2. Step 2: Convert to fraction form
    87,801.75/121,167.27 = 47,516.36/x
  3. Step 3: Cross multiply
    87,801.75x = 121,167.27 × 47,516.36
  4. Step 4: Simplify right side
    87,801.75x = 5,757,427,015.70
  5. Step 5: Solve for x
    x = 5,757,427,015.70/87,801.75
  6. Step 6: Final answer
    x = 65,573.03

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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.