Home / 57,366.21-86,071.38-27,781.77

Finding the Fourth Proportional to 57,366.21, 86,071.38 and 27,781.77

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Solution

The fourth proportional to 57,366.21, 86,071.38 and 27,781.77 is: 41,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,366.21 : 86,071.38 = 27,781.77 : x
  2. Step 2: Convert to fraction form
    57,366.21/86,071.38 = 27,781.77/x
  3. Step 3: Cross multiply
    57,366.21x = 86,071.38 × 27,781.77
  4. Step 4: Simplify right side
    57,366.21x = 2,391,215,282.74
  5. Step 5: Solve for x
    x = 2,391,215,282.74/57,366.21
  6. Step 6: Final answer
    x = 41,683.34

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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.