Home / 92,196.12-138,287.70-52,629.24

Finding the Fourth Proportional to 92,196.12, 138,287.70 and 52,629.24

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Solution

The fourth proportional to 92,196.12, 138,287.70 and 52,629.24 is: 78,940.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,196.12 : 138,287.70 = 52,629.24 : x
  2. Step 2: Convert to fraction form
    92,196.12/138,287.70 = 52,629.24/x
  3. Step 3: Cross multiply
    92,196.12x = 138,287.70 × 52,629.24
  4. Step 4: Simplify right side
    92,196.12x = 7,277,976,552.35
  5. Step 5: Solve for x
    x = 7,277,976,552.35/92,196.12
  6. Step 6: Final answer
    x = 78,940.16

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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.