Home / 89,696.97-134,284.82-52,142.54

Finding the Fourth Proportional to 89,696.97, 134,284.82 and 52,142.54

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Solution

The fourth proportional to 89,696.97, 134,284.82 and 52,142.54 is: 78,062.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,696.97 : 134,284.82 = 52,142.54 : x
  2. Step 2: Convert to fraction form
    89,696.97/134,284.82 = 52,142.54/x
  3. Step 3: Cross multiply
    89,696.97x = 134,284.82 × 52,142.54
  4. Step 4: Simplify right side
    89,696.97x = 7,001,950,666.11
  5. Step 5: Solve for x
    x = 7,001,950,666.11/89,696.97
  6. Step 6: Final answer
    x = 78,062.29

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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.