Home / 73,684.04-110,493.60-21,081.56

Finding the Fourth Proportional to 73,684.04, 110,493.60 and 21,081.56

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Solution

The fourth proportional to 73,684.04, 110,493.60 and 21,081.56 is: 31,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,684.04 : 110,493.60 = 21,081.56 : x
  2. Step 2: Convert to fraction form
    73,684.04/110,493.60 = 21,081.56/x
  3. Step 3: Cross multiply
    73,684.04x = 110,493.60 × 21,081.56
  4. Step 4: Simplify right side
    73,684.04x = 2,329,377,458.02
  5. Step 5: Solve for x
    x = 2,329,377,458.02/73,684.04
  6. Step 6: Final answer
    x = 31,613.05

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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.