Home / 97,682.96-134,805.42-55,240.64

Finding the Fourth Proportional to 97,682.96, 134,805.42 and 55,240.64

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Solution

The fourth proportional to 97,682.96, 134,805.42 and 55,240.64 is: 76,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,682.96 : 134,805.42 = 55,240.64 : x
  2. Step 2: Convert to fraction form
    97,682.96/134,805.42 = 55,240.64/x
  3. Step 3: Cross multiply
    97,682.96x = 134,805.42 × 55,240.64
  4. Step 4: Simplify right side
    97,682.96x = 7,446,737,676.27
  5. Step 5: Solve for x
    x = 7,446,737,676.27/97,682.96
  6. Step 6: Final answer
    x = 76,233.74

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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.