Home / 75,676.13-113,339.23-73,051.73

Finding the Fourth Proportional to 75,676.13, 113,339.23 and 73,051.73

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Solution

The fourth proportional to 75,676.13, 113,339.23 and 73,051.73 is: 109,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,676.13 : 113,339.23 = 73,051.73 : x
  2. Step 2: Convert to fraction form
    75,676.13/113,339.23 = 73,051.73/x
  3. Step 3: Cross multiply
    75,676.13x = 113,339.23 × 73,051.73
  4. Step 4: Simplify right side
    75,676.13x = 8,279,626,828.37
  5. Step 5: Solve for x
    x = 8,279,626,828.37/75,676.13
  6. Step 6: Final answer
    x = 109,408.70

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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.