Home / 57,388.60-79,196.19-31,894.16

Finding the Fourth Proportional to 57,388.60, 79,196.19 and 31,894.16

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Solution

The fourth proportional to 57,388.60, 79,196.19 and 31,894.16 is: 44,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,388.60 : 79,196.19 = 31,894.16 : x
  2. Step 2: Convert to fraction form
    57,388.60/79,196.19 = 31,894.16/x
  3. Step 3: Cross multiply
    57,388.60x = 79,196.19 × 31,894.16
  4. Step 4: Simplify right side
    57,388.60x = 2,525,895,559.27
  5. Step 5: Solve for x
    x = 2,525,895,559.27/57,388.60
  6. Step 6: Final answer
    x = 44,013.89

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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.