Home / 87,314.79-120,504.40-48,556.48

Finding the Fourth Proportional to 87,314.79, 120,504.40 and 48,556.48

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Solution

The fourth proportional to 87,314.79, 120,504.40 and 48,556.48 is: 67,013.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,314.79 : 120,504.40 = 48,556.48 : x
  2. Step 2: Convert to fraction form
    87,314.79/120,504.40 = 48,556.48/x
  3. Step 3: Cross multiply
    87,314.79x = 120,504.40 × 48,556.48
  4. Step 4: Simplify right side
    87,314.79x = 5,851,269,223.52
  5. Step 5: Solve for x
    x = 5,851,269,223.52/87,314.79
  6. Step 6: Final answer
    x = 67,013.50

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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.