Home / 79,316.09-119,020.58-31,923.80

Finding the Fourth Proportional to 79,316.09, 119,020.58 and 31,923.80

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Solution

The fourth proportional to 79,316.09, 119,020.58 and 31,923.80 is: 47,904.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,316.09 : 119,020.58 = 31,923.80 : x
  2. Step 2: Convert to fraction form
    79,316.09/119,020.58 = 31,923.80/x
  3. Step 3: Cross multiply
    79,316.09x = 119,020.58 × 31,923.80
  4. Step 4: Simplify right side
    79,316.09x = 3,799,589,191.80
  5. Step 5: Solve for x
    x = 3,799,589,191.80/79,316.09
  6. Step 6: Final answer
    x = 47,904.39

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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.