Home / 80,669.88-111,327.46-44,862.41

Finding the Fourth Proportional to 80,669.88, 111,327.46 and 44,862.41

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Solution

The fourth proportional to 80,669.88, 111,327.46 and 44,862.41 is: 61,911.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,669.88 : 111,327.46 = 44,862.41 : x
  2. Step 2: Convert to fraction form
    80,669.88/111,327.46 = 44,862.41/x
  3. Step 3: Cross multiply
    80,669.88x = 111,327.46 × 44,862.41
  4. Step 4: Simplify right side
    80,669.88x = 4,994,418,320.94
  5. Step 5: Solve for x
    x = 4,994,418,320.94/80,669.88
  6. Step 6: Final answer
    x = 61,911.81

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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.