Home / 80,674.39-121,006.96-30,759.53

Finding the Fourth Proportional to 80,674.39, 121,006.96 and 30,759.53

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Solution

The fourth proportional to 80,674.39, 121,006.96 and 30,759.53 is: 46,137.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,674.39 : 121,006.96 = 30,759.53 : x
  2. Step 2: Convert to fraction form
    80,674.39/121,006.96 = 30,759.53/x
  3. Step 3: Cross multiply
    80,674.39x = 121,006.96 × 30,759.53
  4. Step 4: Simplify right side
    80,674.39x = 3,722,116,534.40
  5. Step 5: Solve for x
    x = 3,722,116,534.40/80,674.39
  6. Step 6: Final answer
    x = 46,137.52

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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.