Home / 97,837.78-135,008.49-57,553.06

Finding the Fourth Proportional to 97,837.78, 135,008.49 and 57,553.06

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Solution

The fourth proportional to 97,837.78, 135,008.49 and 57,553.06 is: 79,418.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,837.78 : 135,008.49 = 57,553.06 : x
  2. Step 2: Convert to fraction form
    97,837.78/135,008.49 = 57,553.06/x
  3. Step 3: Cross multiply
    97,837.78x = 135,008.49 × 57,553.06
  4. Step 4: Simplify right side
    97,837.78x = 7,770,151,725.48
  5. Step 5: Solve for x
    x = 7,770,151,725.48/97,837.78
  6. Step 6: Final answer
    x = 79,418.72

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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.