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Finding the Fourth Proportional to 80,903.49, 111,650.66 and 45,093.77

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Solution

The fourth proportional to 80,903.49, 111,650.66 and 45,093.77 is: 62,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,903.49 : 111,650.66 = 45,093.77 : x
  2. Step 2: Convert to fraction form
    80,903.49/111,650.66 = 45,093.77/x
  3. Step 3: Cross multiply
    80,903.49x = 111,650.66 × 45,093.77
  4. Step 4: Simplify right side
    80,903.49x = 5,034,748,398.67
  5. Step 5: Solve for x
    x = 5,034,748,398.67/80,903.49
  6. Step 6: Final answer
    x = 62,231.54

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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.