Home / 55,768.11-83,578.30-40,907.44

Finding the Fourth Proportional to 55,768.11, 83,578.30 and 40,907.44

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Solution

The fourth proportional to 55,768.11, 83,578.30 and 40,907.44 is: 61,306.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,768.11 : 83,578.30 = 40,907.44 : x
  2. Step 2: Convert to fraction form
    55,768.11/83,578.30 = 40,907.44/x
  3. Step 3: Cross multiply
    55,768.11x = 83,578.30 × 40,907.44
  4. Step 4: Simplify right side
    55,768.11x = 3,418,974,292.55
  5. Step 5: Solve for x
    x = 3,418,974,292.55/55,768.11
  6. Step 6: Final answer
    x = 61,306.98

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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.