Home / 99,671.09-149,531.25-29,550.41

Finding the Fourth Proportional to 99,671.09, 149,531.25 and 29,550.41

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Solution

The fourth proportional to 99,671.09, 149,531.25 and 29,550.41 is: 44,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,671.09 : 149,531.25 = 29,550.41 : x
  2. Step 2: Convert to fraction form
    99,671.09/149,531.25 = 29,550.41/x
  3. Step 3: Cross multiply
    99,671.09x = 149,531.25 × 29,550.41
  4. Step 4: Simplify right side
    99,671.09x = 4,418,709,745.31
  5. Step 5: Solve for x
    x = 4,418,709,745.31/99,671.09
  6. Step 6: Final answer
    x = 44,332.91

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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.