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Finding the Fourth Proportional to 80,284.68, 110,770.23 and 46,290.49

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Solution

The fourth proportional to 80,284.68, 110,770.23 and 46,290.49 is: 63,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,284.68 : 110,770.23 = 46,290.49 : x
  2. Step 2: Convert to fraction form
    80,284.68/110,770.23 = 46,290.49/x
  3. Step 3: Cross multiply
    80,284.68x = 110,770.23 × 46,290.49
  4. Step 4: Simplify right side
    80,284.68x = 5,127,608,224.11
  5. Step 5: Solve for x
    x = 5,127,608,224.11/80,284.68
  6. Step 6: Final answer
    x = 63,867.83

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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.