Home / 71,827.89-107,666.94-40,191.57

Finding the Fourth Proportional to 71,827.89, 107,666.94 and 40,191.57

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Solution

The fourth proportional to 71,827.89, 107,666.94 and 40,191.57 is: 60,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,827.89 : 107,666.94 = 40,191.57 : x
  2. Step 2: Convert to fraction form
    71,827.89/107,666.94 = 40,191.57/x
  3. Step 3: Cross multiply
    71,827.89x = 107,666.94 × 40,191.57
  4. Step 4: Simplify right side
    71,827.89x = 4,327,303,355.70
  5. Step 5: Solve for x
    x = 4,327,303,355.70/71,827.89
  6. Step 6: Final answer
    x = 60,245.45

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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.