Home / 87,014.24-120,036.94-56,785.58

Finding the Fourth Proportional to 87,014.24, 120,036.94 and 56,785.58

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Solution

The fourth proportional to 87,014.24, 120,036.94 and 56,785.58 is: 78,336.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,014.24 : 120,036.94 = 56,785.58 : x
  2. Step 2: Convert to fraction form
    87,014.24/120,036.94 = 56,785.58/x
  3. Step 3: Cross multiply
    87,014.24x = 120,036.94 × 56,785.58
  4. Step 4: Simplify right side
    87,014.24x = 6,816,367,259.33
  5. Step 5: Solve for x
    x = 6,816,367,259.33/87,014.24
  6. Step 6: Final answer
    x = 78,336.23

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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.