Home / 71,994.11-99,339.57-41,772.51

Finding the Fourth Proportional to 71,994.11, 99,339.57 and 41,772.51

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Solution

The fourth proportional to 71,994.11, 99,339.57 and 41,772.51 is: 57,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,994.11 : 99,339.57 = 41,772.51 : x
  2. Step 2: Convert to fraction form
    71,994.11/99,339.57 = 41,772.51/x
  3. Step 3: Cross multiply
    71,994.11x = 99,339.57 × 41,772.51
  4. Step 4: Simplify right side
    71,994.11x = 4,149,663,181.22
  5. Step 5: Solve for x
    x = 4,149,663,181.22/71,994.11
  6. Step 6: Final answer
    x = 57,638.93

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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.