Home / 87,846.86-121,228.61-47,560.97

Finding the Fourth Proportional to 87,846.86, 121,228.61 and 47,560.97

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Solution

The fourth proportional to 87,846.86, 121,228.61 and 47,560.97 is: 65,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,846.86 : 121,228.61 = 47,560.97 : x
  2. Step 2: Convert to fraction form
    87,846.86/121,228.61 = 47,560.97/x
  3. Step 3: Cross multiply
    87,846.86x = 121,228.61 × 47,560.97
  4. Step 4: Simplify right side
    87,846.86x = 5,765,749,439.40
  5. Step 5: Solve for x
    x = 5,765,749,439.40/87,846.86
  6. Step 6: Final answer
    x = 65,634.10

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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.