Home / 74,844.97-103,285.56-40,853.32

Finding the Fourth Proportional to 74,844.97, 103,285.56 and 40,853.32

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Solution

The fourth proportional to 74,844.97, 103,285.56 and 40,853.32 is: 56,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,844.97 : 103,285.56 = 40,853.32 : x
  2. Step 2: Convert to fraction form
    74,844.97/103,285.56 = 40,853.32/x
  3. Step 3: Cross multiply
    74,844.97x = 103,285.56 × 40,853.32
  4. Step 4: Simplify right side
    74,844.97x = 4,219,558,034.06
  5. Step 5: Solve for x
    x = 4,219,558,034.06/74,844.97
  6. Step 6: Final answer
    x = 56,377.31

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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.