Home / 71,927.22-99,259.70-40,095.44

Finding the Fourth Proportional to 71,927.22, 99,259.70 and 40,095.44

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Solution

The fourth proportional to 71,927.22, 99,259.70 and 40,095.44 is: 55,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,927.22 : 99,259.70 = 40,095.44 : x
  2. Step 2: Convert to fraction form
    71,927.22/99,259.70 = 40,095.44/x
  3. Step 3: Cross multiply
    71,927.22x = 99,259.70 × 40,095.44
  4. Step 4: Simplify right side
    71,927.22x = 3,979,861,021.22
  5. Step 5: Solve for x
    x = 3,979,861,021.22/71,927.22
  6. Step 6: Final answer
    x = 55,331.78

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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.