Home / 52,443.05-72,371.49-28,569.11

Finding the Fourth Proportional to 52,443.05, 72,371.49 and 28,569.11

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Solution

The fourth proportional to 52,443.05, 72,371.49 and 28,569.11 is: 39,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,443.05 : 72,371.49 = 28,569.11 : x
  2. Step 2: Convert to fraction form
    52,443.05/72,371.49 = 28,569.11/x
  3. Step 3: Cross multiply
    52,443.05x = 72,371.49 × 28,569.11
  4. Step 4: Simplify right side
    52,443.05x = 2,067,589,058.67
  5. Step 5: Solve for x
    x = 2,067,589,058.67/52,443.05
  6. Step 6: Final answer
    x = 39,425.42

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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.