Home / 77,127.66-115,649.96-41,608.04

Finding the Fourth Proportional to 77,127.66, 115,649.96 and 41,608.04

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Solution

The fourth proportional to 77,127.66, 115,649.96 and 41,608.04 is: 62,389.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,127.66 : 115,649.96 = 41,608.04 : x
  2. Step 2: Convert to fraction form
    77,127.66/115,649.96 = 41,608.04/x
  3. Step 3: Cross multiply
    77,127.66x = 115,649.96 × 41,608.04
  4. Step 4: Simplify right side
    77,127.66x = 4,811,968,161.68
  5. Step 5: Solve for x
    x = 4,811,968,161.68/77,127.66
  6. Step 6: Final answer
    x = 62,389.66

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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.