Home / 55,578.21-83,377.85-22,300.90

Finding the Fourth Proportional to 55,578.21, 83,377.85 and 22,300.90

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Solution

The fourth proportional to 55,578.21, 83,377.85 and 22,300.90 is: 33,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,578.21 : 83,377.85 = 22,300.90 : x
  2. Step 2: Convert to fraction form
    55,578.21/83,377.85 = 22,300.90/x
  3. Step 3: Cross multiply
    55,578.21x = 83,377.85 × 22,300.90
  4. Step 4: Simplify right side
    55,578.21x = 1,859,400,622.42
  5. Step 5: Solve for x
    x = 1,859,400,622.42/55,578.21
  6. Step 6: Final answer
    x = 33,455.57

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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.