Home / 57,881.27-86,823.72-19,930.14

Finding the Fourth Proportional to 57,881.27, 86,823.72 and 19,930.14

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Solution

The fourth proportional to 57,881.27, 86,823.72 and 19,930.14 is: 29,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,881.27 : 86,823.72 = 19,930.14 : x
  2. Step 2: Convert to fraction form
    57,881.27/86,823.72 = 19,930.14/x
  3. Step 3: Cross multiply
    57,881.27x = 86,823.72 × 19,930.14
  4. Step 4: Simplify right side
    57,881.27x = 1,730,408,894.92
  5. Step 5: Solve for x
    x = 1,730,408,894.92/57,881.27
  6. Step 6: Final answer
    x = 29,895.84

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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.