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Finding the Fourth Proportional to 80,655.67, 111,302.53 and 44,845.03

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Solution

The fourth proportional to 80,655.67, 111,302.53 and 44,845.03 is: 61,884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,655.67 : 111,302.53 = 44,845.03 : x
  2. Step 2: Convert to fraction form
    80,655.67/111,302.53 = 44,845.03/x
  3. Step 3: Cross multiply
    80,655.67x = 111,302.53 × 44,845.03
  4. Step 4: Simplify right side
    80,655.67x = 4,991,365,296.93
  5. Step 5: Solve for x
    x = 4,991,365,296.93/80,655.67
  6. Step 6: Final answer
    x = 61,884.87

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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.