Home / 98,306.82-147,143.04-50,856.57

Finding the Fourth Proportional to 98,306.82, 147,143.04 and 50,856.57

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Solution

The fourth proportional to 98,306.82, 147,143.04 and 50,856.57 is: 76,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,306.82 : 147,143.04 = 50,856.57 : x
  2. Step 2: Convert to fraction form
    98,306.82/147,143.04 = 50,856.57/x
  3. Step 3: Cross multiply
    98,306.82x = 147,143.04 × 50,856.57
  4. Step 4: Simplify right side
    98,306.82x = 7,483,189,578.06
  5. Step 5: Solve for x
    x = 7,483,189,578.06/98,306.82
  6. Step 6: Final answer
    x = 76,120.76

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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.