Home / 54,112.32-74,649.60-35,242.56

Finding the Fourth Proportional to 54,112.32, 74,649.60 and 35,242.56

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Solution

The fourth proportional to 54,112.32, 74,649.60 and 35,242.56 is: 48,618.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112.32 : 74,649.60 = 35,242.56 : x
  2. Step 2: Convert to fraction form
    54,112.32/74,649.60 = 35,242.56/x
  3. Step 3: Cross multiply
    54,112.32x = 74,649.60 × 35,242.56
  4. Step 4: Simplify right side
    54,112.32x = 2,630,843,006.98
  5. Step 5: Solve for x
    x = 2,630,843,006.98/54,112.32
  6. Step 6: Final answer
    x = 48,618.19

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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.