Home / 72,435.97-99,961.24-40,604.19

Finding the Fourth Proportional to 72,435.97, 99,961.24 and 40,604.19

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Solution

The fourth proportional to 72,435.97, 99,961.24 and 40,604.19 is: 56,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,435.97 : 99,961.24 = 40,604.19 : x
  2. Step 2: Convert to fraction form
    72,435.97/99,961.24 = 40,604.19/x
  3. Step 3: Cross multiply
    72,435.97x = 99,961.24 × 40,604.19
  4. Step 4: Simplify right side
    72,435.97x = 4,058,844,781.36
  5. Step 5: Solve for x
    x = 4,058,844,781.36/72,435.97
  6. Step 6: Final answer
    x = 56,033.55

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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.