Home / 71,390.03-98,515.49-41,180.74

Finding the Fourth Proportional to 71,390.03, 98,515.49 and 41,180.74

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Solution

The fourth proportional to 71,390.03, 98,515.49 and 41,180.74 is: 56,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,390.03 : 98,515.49 = 41,180.74 : x
  2. Step 2: Convert to fraction form
    71,390.03/98,515.49 = 41,180.74/x
  3. Step 3: Cross multiply
    71,390.03x = 98,515.49 × 41,180.74
  4. Step 4: Simplify right side
    71,390.03x = 4,056,940,327.47
  5. Step 5: Solve for x
    x = 4,056,940,327.47/71,390.03
  6. Step 6: Final answer
    x = 56,827.83

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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.