Home / 124,705.05-187,002.90-49,800.30

Finding the Fourth Proportional to 124,705.05, 187,002.90 and 49,800.30

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Solution

The fourth proportional to 124,705.05, 187,002.90 and 49,800.30 is: 74,678.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,705.05 : 187,002.90 = 49,800.30 : x
  2. Step 2: Convert to fraction form
    124,705.05/187,002.90 = 49,800.30/x
  3. Step 3: Cross multiply
    124,705.05x = 187,002.90 × 49,800.30
  4. Step 4: Simplify right side
    124,705.05x = 9,312,800,520.87
  5. Step 5: Solve for x
    x = 9,312,800,520.87/124,705.05
  6. Step 6: Final answer
    x = 74,678.62

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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.