Home / 52,066.23-78,083.18-18,781.97

Finding the Fourth Proportional to 52,066.23, 78,083.18 and 18,781.97

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Solution

The fourth proportional to 52,066.23, 78,083.18 and 18,781.97 is: 28,167.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,066.23 : 78,083.18 = 18,781.97 : x
  2. Step 2: Convert to fraction form
    52,066.23/78,083.18 = 18,781.97/x
  3. Step 3: Cross multiply
    52,066.23x = 78,083.18 × 18,781.97
  4. Step 4: Simplify right side
    52,066.23x = 1,466,555,530.37
  5. Step 5: Solve for x
    x = 1,466,555,530.37/52,066.23
  6. Step 6: Final answer
    x = 28,167.11

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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.