Home / 124,772.20-187,158.30-49,903.90

Finding the Fourth Proportional to 124,772.20, 187,158.30 and 49,903.90

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Solution

The fourth proportional to 124,772.20, 187,158.30 and 49,903.90 is: 74,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,772.20 : 187,158.30 = 49,903.90 : x
  2. Step 2: Convert to fraction form
    124,772.20/187,158.30 = 49,903.90/x
  3. Step 3: Cross multiply
    124,772.20x = 187,158.30 × 49,903.90
  4. Step 4: Simplify right side
    124,772.20x = 9,339,929,087.37
  5. Step 5: Solve for x
    x = 9,339,929,087.37/124,772.20
  6. Step 6: Final answer
    x = 74,855.85

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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.