Home / 54,279.12-74,905.22-33,058.40

Finding the Fourth Proportional to 54,279.12, 74,905.22 and 33,058.40

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Solution

The fourth proportional to 54,279.12, 74,905.22 and 33,058.40 is: 45,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,279.12 : 74,905.22 = 33,058.40 : x
  2. Step 2: Convert to fraction form
    54,279.12/74,905.22 = 33,058.40/x
  3. Step 3: Cross multiply
    54,279.12x = 74,905.22 × 33,058.40
  4. Step 4: Simplify right side
    54,279.12x = 2,476,246,185.03
  5. Step 5: Solve for x
    x = 2,476,246,185.03/54,279.12
  6. Step 6: Final answer
    x = 45,620.60

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1.5x scale

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.