Home / 87,076.53-120,054.36-56,395.41

Finding the Fourth Proportional to 87,076.53, 120,054.36 and 56,395.41

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Solution

The fourth proportional to 87,076.53, 120,054.36 and 56,395.41 is: 77,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,076.53 : 120,054.36 = 56,395.41 : x
  2. Step 2: Convert to fraction form
    87,076.53/120,054.36 = 56,395.41/x
  3. Step 3: Cross multiply
    87,076.53x = 120,054.36 × 56,395.41
  4. Step 4: Simplify right side
    87,076.53x = 6,770,514,854.49
  5. Step 5: Solve for x
    x = 6,770,514,854.49/87,076.53
  6. Step 6: Final answer
    x = 77,753.61

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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.