Home / 103,874.32-155,826.44-32,772.80

Finding the Fourth Proportional to 103,874.32, 155,826.44 and 32,772.80

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Solution

The fourth proportional to 103,874.32, 155,826.44 and 32,772.80 is: 49,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,874.32 : 155,826.44 = 32,772.80 : x
  2. Step 2: Convert to fraction form
    103,874.32/155,826.44 = 32,772.80/x
  3. Step 3: Cross multiply
    103,874.32x = 155,826.44 × 32,772.80
  4. Step 4: Simplify right side
    103,874.32x = 5,106,868,752.83
  5. Step 5: Solve for x
    x = 5,106,868,752.83/103,874.32
  6. Step 6: Final answer
    x = 49,163.92

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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.