Home / 123,626.20-185,358.30-48,701.20

Finding the Fourth Proportional to 123,626.20, 185,358.30 and 48,701.20

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Solution

The fourth proportional to 123,626.20, 185,358.30 and 48,701.20 is: 73,019.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,626.20 : 185,358.30 = 48,701.20 : x
  2. Step 2: Convert to fraction form
    123,626.20/185,358.30 = 48,701.20/x
  3. Step 3: Cross multiply
    123,626.20x = 185,358.30 × 48,701.20
  4. Step 4: Simplify right side
    123,626.20x = 9,027,171,639.96
  5. Step 5: Solve for x
    x = 9,027,171,639.96/123,626.20
  6. Step 6: Final answer
    x = 73,019.89

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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.