Home / 80,877.50-111,609.44-45,066.75

Finding the Fourth Proportional to 80,877.50, 111,609.44 and 45,066.75

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Solution

The fourth proportional to 80,877.50, 111,609.44 and 45,066.75 is: 62,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,877.50 : 111,609.44 = 45,066.75 : x
  2. Step 2: Convert to fraction form
    80,877.50/111,609.44 = 45,066.75/x
  3. Step 3: Cross multiply
    80,877.50x = 111,609.44 × 45,066.75
  4. Step 4: Simplify right side
    80,877.50x = 5,029,874,504.79
  5. Step 5: Solve for x
    x = 5,029,874,504.79/80,877.50
  6. Step 6: Final answer
    x = 62,191.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.