Home / 95,776.80-143,634.62-31,723.22

Finding the Fourth Proportional to 95,776.80, 143,634.62 and 31,723.22

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Solution

The fourth proportional to 95,776.80, 143,634.62 and 31,723.22 is: 47,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,776.80 : 143,634.62 = 31,723.22 : x
  2. Step 2: Convert to fraction form
    95,776.80/143,634.62 = 31,723.22/x
  3. Step 3: Cross multiply
    95,776.80x = 143,634.62 × 31,723.22
  4. Step 4: Simplify right side
    95,776.80x = 4,556,552,649.88
  5. Step 5: Solve for x
    x = 4,556,552,649.88/95,776.80
  6. Step 6: Final answer
    x = 47,574.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.