Home / 98,031.72-146,960.22-45,368.84

Finding the Fourth Proportional to 98,031.72, 146,960.22 and 45,368.84

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Solution

The fourth proportional to 98,031.72, 146,960.22 and 45,368.84 is: 68,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,031.72 : 146,960.22 = 45,368.84 : x
  2. Step 2: Convert to fraction form
    98,031.72/146,960.22 = 45,368.84/x
  3. Step 3: Cross multiply
    98,031.72x = 146,960.22 × 45,368.84
  4. Step 4: Simplify right side
    98,031.72x = 6,667,414,707.54
  5. Step 5: Solve for x
    x = 6,667,414,707.54/98,031.72
  6. Step 6: Final answer
    x = 68,012.83

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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.