Home / 54,144.24-74,710.08-49,789.32

Finding the Fourth Proportional to 54,144.24, 74,710.08 and 49,789.32

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Solution

The fourth proportional to 54,144.24, 74,710.08 and 49,789.32 is: 68,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,144.24 : 74,710.08 = 49,789.32 : x
  2. Step 2: Convert to fraction form
    54,144.24/74,710.08 = 49,789.32/x
  3. Step 3: Cross multiply
    54,144.24x = 74,710.08 × 49,789.32
  4. Step 4: Simplify right side
    54,144.24x = 3,719,764,080.35
  5. Step 5: Solve for x
    x = 3,719,764,080.35/54,144.24
  6. Step 6: Final answer
    x = 68,701.01

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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.