Home / 79,938.50-119,919.60-26,613.06

Finding the Fourth Proportional to 79,938.50, 119,919.60 and 26,613.06

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Solution

The fourth proportional to 79,938.50, 119,919.60 and 26,613.06 is: 39,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,938.50 : 119,919.60 = 26,613.06 : x
  2. Step 2: Convert to fraction form
    79,938.50/119,919.60 = 26,613.06/x
  3. Step 3: Cross multiply
    79,938.50x = 119,919.60 × 26,613.06
  4. Step 4: Simplify right side
    79,938.50x = 3,191,427,659.98
  5. Step 5: Solve for x
    x = 3,191,427,659.98/79,938.50
  6. Step 6: Final answer
    x = 39,923.54

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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.