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Finding the Fourth Proportional to 79,371.68, 119,096.40 and 31,984.70

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Solution

The fourth proportional to 79,371.68, 119,096.40 and 31,984.70 is: 47,992.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,371.68 : 119,096.40 = 31,984.70 : x
  2. Step 2: Convert to fraction form
    79,371.68/119,096.40 = 31,984.70/x
  3. Step 3: Cross multiply
    79,371.68x = 119,096.40 × 31,984.70
  4. Step 4: Simplify right side
    79,371.68x = 3,809,262,625.08
  5. Step 5: Solve for x
    x = 3,809,262,625.08/79,371.68
  6. Step 6: Final answer
    x = 47,992.72

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1.5x scale

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.