Home / 97,112.57-134,028.11-54,679.37

Finding the Fourth Proportional to 97,112.57, 134,028.11 and 54,679.37

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Solution

The fourth proportional to 97,112.57, 134,028.11 and 54,679.37 is: 75,464.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,112.57 : 134,028.11 = 54,679.37 : x
  2. Step 2: Convert to fraction form
    97,112.57/134,028.11 = 54,679.37/x
  3. Step 3: Cross multiply
    97,112.57x = 134,028.11 × 54,679.37
  4. Step 4: Simplify right side
    97,112.57x = 7,328,572,083.65
  5. Step 5: Solve for x
    x = 7,328,572,083.65/97,112.57
  6. Step 6: Final answer
    x = 75,464.72

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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.