Home / 79,804.38-119,723.88-39,844.86

Finding the Fourth Proportional to 79,804.38, 119,723.88 and 39,844.86

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Solution

The fourth proportional to 79,804.38, 119,723.88 and 39,844.86 is: 59,775.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,804.38 : 119,723.88 = 39,844.86 : x
  2. Step 2: Convert to fraction form
    79,804.38/119,723.88 = 39,844.86/x
  3. Step 3: Cross multiply
    79,804.38x = 119,723.88 × 39,844.86
  4. Step 4: Simplify right side
    79,804.38x = 4,770,381,237.26
  5. Step 5: Solve for x
    x = 4,770,381,237.26/79,804.38
  6. Step 6: Final answer
    x = 59,775.93

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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.