Home / 71,310.07-98,411.52-41,100.31

Finding the Fourth Proportional to 71,310.07, 98,411.52 and 41,100.31

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Solution

The fourth proportional to 71,310.07, 98,411.52 and 41,100.31 is: 56,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,310.07 : 98,411.52 = 41,100.31 : x
  2. Step 2: Convert to fraction form
    71,310.07/98,411.52 = 41,100.31/x
  3. Step 3: Cross multiply
    71,310.07x = 98,411.52 × 41,100.31
  4. Step 4: Simplify right side
    71,310.07x = 4,044,743,979.57
  5. Step 5: Solve for x
    x = 4,044,743,979.57/71,310.07
  6. Step 6: Final answer
    x = 56,720.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.