Home / 87,066.29-120,172.92-53,093.53

Finding the Fourth Proportional to 87,066.29, 120,172.92 and 53,093.53

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Solution

The fourth proportional to 87,066.29, 120,172.92 and 53,093.53 is: 73,282.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,066.29 : 120,172.92 = 53,093.53 : x
  2. Step 2: Convert to fraction form
    87,066.29/120,172.92 = 53,093.53/x
  3. Step 3: Cross multiply
    87,066.29x = 120,172.92 × 53,093.53
  4. Step 4: Simplify right side
    87,066.29x = 6,380,403,808.35
  5. Step 5: Solve for x
    x = 6,380,403,808.35/87,066.29
  6. Step 6: Final answer
    x = 73,282.14

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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.