Home / 71,994.29-99,350.73-39,731.94

Finding the Fourth Proportional to 71,994.29, 99,350.73 and 39,731.94

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Solution

The fourth proportional to 71,994.29, 99,350.73 and 39,731.94 is: 54,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,994.29 : 99,350.73 = 39,731.94 : x
  2. Step 2: Convert to fraction form
    71,994.29/99,350.73 = 39,731.94/x
  3. Step 3: Cross multiply
    71,994.29x = 99,350.73 × 39,731.94
  4. Step 4: Simplify right side
    71,994.29x = 3,947,397,243.32
  5. Step 5: Solve for x
    x = 3,947,397,243.32/71,994.29
  6. Step 6: Final answer
    x = 54,829.31

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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.