Home / 54,305.36-74,871.54-35,151.20

Finding the Fourth Proportional to 54,305.36, 74,871.54 and 35,151.20

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Solution

The fourth proportional to 54,305.36, 74,871.54 and 35,151.20 is: 48,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,305.36 : 74,871.54 = 35,151.20 : x
  2. Step 2: Convert to fraction form
    54,305.36/74,871.54 = 35,151.20/x
  3. Step 3: Cross multiply
    54,305.36x = 74,871.54 × 35,151.20
  4. Step 4: Simplify right side
    54,305.36x = 2,631,824,476.85
  5. Step 5: Solve for x
    x = 2,631,824,476.85/54,305.36
  6. Step 6: Final answer
    x = 48,463.44

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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.