Home / 53,120.72-73,356.36-33,283.28

Finding the Fourth Proportional to 53,120.72, 73,356.36 and 33,283.28

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Solution

The fourth proportional to 53,120.72, 73,356.36 and 33,283.28 is: 45,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,120.72 : 73,356.36 = 33,283.28 : x
  2. Step 2: Convert to fraction form
    53,120.72/73,356.36 = 33,283.28/x
  3. Step 3: Cross multiply
    53,120.72x = 73,356.36 × 33,283.28
  4. Step 4: Simplify right side
    53,120.72x = 2,441,540,269.66
  5. Step 5: Solve for x
    x = 2,441,540,269.66/53,120.72
  6. Step 6: Final answer
    x = 45,962.11

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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.