Home / 53,865.72-74,333.43-29,991.92

Finding the Fourth Proportional to 53,865.72, 74,333.43 and 29,991.92

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Solution

The fourth proportional to 53,865.72, 74,333.43 and 29,991.92 is: 41,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,865.72 : 74,333.43 = 29,991.92 : x
  2. Step 2: Convert to fraction form
    53,865.72/74,333.43 = 29,991.92/x
  3. Step 3: Cross multiply
    53,865.72x = 74,333.43 × 29,991.92
  4. Step 4: Simplify right side
    53,865.72x = 2,229,401,914.22
  5. Step 5: Solve for x
    x = 2,229,401,914.22/53,865.72
  6. Step 6: Final answer
    x = 41,388.14

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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.