Home / 98,039.03-147,044.66-31,470.39

Finding the Fourth Proportional to 98,039.03, 147,044.66 and 31,470.39

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Solution

The fourth proportional to 98,039.03, 147,044.66 and 31,470.39 is: 47,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,039.03 : 147,044.66 = 31,470.39 : x
  2. Step 2: Convert to fraction form
    98,039.03/147,044.66 = 31,470.39/x
  3. Step 3: Cross multiply
    98,039.03x = 147,044.66 × 31,470.39
  4. Step 4: Simplify right side
    98,039.03x = 4,627,552,640.27
  5. Step 5: Solve for x
    x = 4,627,552,640.27/98,039.03
  6. Step 6: Final answer
    x = 47,201.13

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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.