Home / 79,620.50-119,061.64-61,647.44

Finding the Fourth Proportional to 79,620.50, 119,061.64 and 61,647.44

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Solution

The fourth proportional to 79,620.50, 119,061.64 and 61,647.44 is: 92,185.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,620.50 : 119,061.64 = 61,647.44 : x
  2. Step 2: Convert to fraction form
    79,620.50/119,061.64 = 61,647.44/x
  3. Step 3: Cross multiply
    79,620.50x = 119,061.64 × 61,647.44
  4. Step 4: Simplify right side
    79,620.50x = 7,339,845,308.20
  5. Step 5: Solve for x
    x = 7,339,845,308.20/79,620.50
  6. Step 6: Final answer
    x = 92,185.37

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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.