Home / 54,642.06-81,963.09-31,252.10

Finding the Fourth Proportional to 54,642.06, 81,963.09 and 31,252.10

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Solution

The fourth proportional to 54,642.06, 81,963.09 and 31,252.10 is: 46,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,642.06 : 81,963.09 = 31,252.10 : x
  2. Step 2: Convert to fraction form
    54,642.06/81,963.09 = 31,252.10/x
  3. Step 3: Cross multiply
    54,642.06x = 81,963.09 × 31,252.10
  4. Step 4: Simplify right side
    54,642.06x = 2,561,518,275.17
  5. Step 5: Solve for x
    x = 2,561,518,275.17/54,642.06
  6. Step 6: Final answer
    x = 46,878.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.