Home / 87,762.52-121,112.31-47,476.27

Finding the Fourth Proportional to 87,762.52, 121,112.31 and 47,476.27

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Solution

The fourth proportional to 87,762.52, 121,112.31 and 47,476.27 is: 65,517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,762.52 : 121,112.31 = 47,476.27 : x
  2. Step 2: Convert to fraction form
    87,762.52/121,112.31 = 47,476.27/x
  3. Step 3: Cross multiply
    87,762.52x = 121,112.31 × 47,476.27
  4. Step 4: Simplify right side
    87,762.52x = 5,749,960,729.88
  5. Step 5: Solve for x
    x = 5,749,960,729.88/87,762.52
  6. Step 6: Final answer
    x = 65,517.27

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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.