Home / 87,074.68-120,051.82-56,393.57

Finding the Fourth Proportional to 87,074.68, 120,051.82 and 56,393.57

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Solution

The fourth proportional to 87,074.68, 120,051.82 and 56,393.57 is: 77,751.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,074.68 : 120,051.82 = 56,393.57 : x
  2. Step 2: Convert to fraction form
    87,074.68/120,051.82 = 56,393.57/x
  3. Step 3: Cross multiply
    87,074.68x = 120,051.82 × 56,393.57
  4. Step 4: Simplify right side
    87,074.68x = 6,770,149,867.82
  5. Step 5: Solve for x
    x = 6,770,149,867.82/87,074.68
  6. Step 6: Final answer
    x = 77,751.08

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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.