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Finding the Fourth Proportional to 88,447.72, 132,676.14 and 25,262.86

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Solution

The fourth proportional to 88,447.72, 132,676.14 and 25,262.86 is: 37,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,447.72 : 132,676.14 = 25,262.86 : x
  2. Step 2: Convert to fraction form
    88,447.72/132,676.14 = 25,262.86/x
  3. Step 3: Cross multiply
    88,447.72x = 132,676.14 × 25,262.86
  4. Step 4: Simplify right side
    88,447.72x = 3,351,779,081.85
  5. Step 5: Solve for x
    x = 3,351,779,081.85/88,447.72
  6. Step 6: Final answer
    x = 37,895.60

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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.