Home / 79,131.13-118,696.69-26,540.46

Finding the Fourth Proportional to 79,131.13, 118,696.69 and 26,540.46

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Solution

The fourth proportional to 79,131.13, 118,696.69 and 26,540.46 is: 39,810.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,131.13 : 118,696.69 = 26,540.46 : x
  2. Step 2: Convert to fraction form
    79,131.13/118,696.69 = 26,540.46/x
  3. Step 3: Cross multiply
    79,131.13x = 118,696.69 × 26,540.46
  4. Step 4: Simplify right side
    79,131.13x = 3,150,264,753.08
  5. Step 5: Solve for x
    x = 3,150,264,753.08/79,131.13
  6. Step 6: Final answer
    x = 39,810.69

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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.