Home / 87,933.62-121,347.97-47,647.36

Finding the Fourth Proportional to 87,933.62, 121,347.97 and 47,647.36

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Solution

The fourth proportional to 87,933.62, 121,347.97 and 47,647.36 is: 65,753.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,933.62 : 121,347.97 = 47,647.36 : x
  2. Step 2: Convert to fraction form
    87,933.62/121,347.97 = 47,647.36/x
  3. Step 3: Cross multiply
    87,933.62x = 121,347.97 × 47,647.36
  4. Step 4: Simplify right side
    87,933.62x = 5,781,909,566.88
  5. Step 5: Solve for x
    x = 5,781,909,566.88/87,933.62
  6. Step 6: Final answer
    x = 65,753.12

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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.