Home / 57,104.72-78,805.56-31,954.16

Finding the Fourth Proportional to 57,104.72, 78,805.56 and 31,954.16

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Solution

The fourth proportional to 57,104.72, 78,805.56 and 31,954.16 is: 44,097.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,104.72 : 78,805.56 = 31,954.16 : x
  2. Step 2: Convert to fraction form
    57,104.72/78,805.56 = 31,954.16/x
  3. Step 3: Cross multiply
    57,104.72x = 78,805.56 × 31,954.16
  4. Step 4: Simplify right side
    57,104.72x = 2,518,165,473.13
  5. Step 5: Solve for x
    x = 2,518,165,473.13/57,104.72
  6. Step 6: Final answer
    x = 44,097.33

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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.