Home / 97,418.70-134,421.12-54,976.32

Finding the Fourth Proportional to 97,418.70, 134,421.12 and 54,976.32

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Solution

The fourth proportional to 97,418.70, 134,421.12 and 54,976.32 is: 75,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,418.70 : 134,421.12 = 54,976.32 : x
  2. Step 2: Convert to fraction form
    97,418.70/134,421.12 = 54,976.32/x
  3. Step 3: Cross multiply
    97,418.70x = 134,421.12 × 54,976.32
  4. Step 4: Simplify right side
    97,418.70x = 7,389,978,507.88
  5. Step 5: Solve for x
    x = 7,389,978,507.88/97,418.70
  6. Step 6: Final answer
    x = 75,857.91

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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.