Home / 88,997.24-122,781.26-57,161.72

Finding the Fourth Proportional to 88,997.24, 122,781.26 and 57,161.72

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Solution

The fourth proportional to 88,997.24, 122,781.26 and 57,161.72 is: 78,860.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,997.24 : 122,781.26 = 57,161.72 : x
  2. Step 2: Convert to fraction form
    88,997.24/122,781.26 = 57,161.72/x
  3. Step 3: Cross multiply
    88,997.24x = 122,781.26 × 57,161.72
  4. Step 4: Simplify right side
    88,997.24x = 7,018,388,005.37
  5. Step 5: Solve for x
    x = 7,018,388,005.37/88,997.24
  6. Step 6: Final answer
    x = 78,860.74

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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.