Home / 98,042.49-146,992.05-31,444.71

Finding the Fourth Proportional to 98,042.49, 146,992.05 and 31,444.71

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Solution

The fourth proportional to 98,042.49, 146,992.05 and 31,444.71 is: 47,144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,042.49 : 146,992.05 = 31,444.71 : x
  2. Step 2: Convert to fraction form
    98,042.49/146,992.05 = 31,444.71/x
  3. Step 3: Cross multiply
    98,042.49x = 146,992.05 × 31,444.71
  4. Step 4: Simplify right side
    98,042.49x = 4,622,122,384.56
  5. Step 5: Solve for x
    x = 4,622,122,384.56/98,042.49
  6. Step 6: Final answer
    x = 47,144.07

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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.