Home / 87,650.56-120,957.77-47,364.34

Finding the Fourth Proportional to 87,650.56, 120,957.77 and 47,364.34

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Solution

The fourth proportional to 87,650.56, 120,957.77 and 47,364.34 is: 65,362.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,650.56 : 120,957.77 = 47,364.34 : x
  2. Step 2: Convert to fraction form
    87,650.56/120,957.77 = 47,364.34/x
  3. Step 3: Cross multiply
    87,650.56x = 120,957.77 × 47,364.34
  4. Step 4: Simplify right side
    87,650.56x = 5,729,084,943.92
  5. Step 5: Solve for x
    x = 5,729,084,943.92/87,650.56
  6. Step 6: Final answer
    x = 65,362.79

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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.