Home / 57,391.09-86,093.18-15,272.91

Finding the Fourth Proportional to 57,391.09, 86,093.18 and 15,272.91

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Solution

The fourth proportional to 57,391.09, 86,093.18 and 15,272.91 is: 22,911.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,391.09 : 86,093.18 = 15,272.91 : x
  2. Step 2: Convert to fraction form
    57,391.09/86,093.18 = 15,272.91/x
  3. Step 3: Cross multiply
    57,391.09x = 86,093.18 × 15,272.91
  4. Step 4: Simplify right side
    57,391.09x = 1,314,893,370.66
  5. Step 5: Solve for x
    x = 1,314,893,370.66/57,391.09
  6. Step 6: Final answer
    x = 22,911.11

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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.