Home / 72,891.29-100,589.55-41,070.44

Finding the Fourth Proportional to 72,891.29, 100,589.55 and 41,070.44

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Solution

The fourth proportional to 72,891.29, 100,589.55 and 41,070.44 is: 56,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,891.29 : 100,589.55 = 41,070.44 : x
  2. Step 2: Convert to fraction form
    72,891.29/100,589.55 = 41,070.44/x
  3. Step 3: Cross multiply
    72,891.29x = 100,589.55 × 41,070.44
  4. Step 4: Simplify right side
    72,891.29x = 4,131,257,175.36
  5. Step 5: Solve for x
    x = 4,131,257,175.36/72,891.29
  6. Step 6: Final answer
    x = 56,676.96

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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.