Home / 57,981.11-86,992.38-35,768.66

Finding the Fourth Proportional to 57,981.11, 86,992.38 and 35,768.66

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Solution

The fourth proportional to 57,981.11, 86,992.38 and 35,768.66 is: 53,665.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,981.11 : 86,992.38 = 35,768.66 : x
  2. Step 2: Convert to fraction form
    57,981.11/86,992.38 = 35,768.66/x
  3. Step 3: Cross multiply
    57,981.11x = 86,992.38 × 35,768.66
  4. Step 4: Simplify right side
    57,981.11x = 3,111,600,427.85
  5. Step 5: Solve for x
    x = 3,111,600,427.85/57,981.11
  6. Step 6: Final answer
    x = 53,665.77

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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.