Home / 87,033.86-120,107.13-49,315.46

Finding the Fourth Proportional to 87,033.86, 120,107.13 and 49,315.46

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Solution

The fourth proportional to 87,033.86, 120,107.13 and 49,315.46 is: 68,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,033.86 : 120,107.13 = 49,315.46 : x
  2. Step 2: Convert to fraction form
    87,033.86/120,107.13 = 49,315.46/x
  3. Step 3: Cross multiply
    87,033.86x = 120,107.13 × 49,315.46
  4. Step 4: Simplify right side
    87,033.86x = 5,923,138,365.23
  5. Step 5: Solve for x
    x = 5,923,138,365.23/87,033.86
  6. Step 6: Final answer
    x = 68,055.56

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1.5x scale

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.