Home / 54,986.64-75,881.88-29,836.32

Finding the Fourth Proportional to 54,986.64, 75,881.88 and 29,836.32

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Solution

The fourth proportional to 54,986.64, 75,881.88 and 29,836.32 is: 41,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,986.64 : 75,881.88 = 29,836.32 : x
  2. Step 2: Convert to fraction form
    54,986.64/75,881.88 = 29,836.32/x
  3. Step 3: Cross multiply
    54,986.64x = 75,881.88 × 29,836.32
  4. Step 4: Simplify right side
    54,986.64x = 2,264,036,053.88
  5. Step 5: Solve for x
    x = 2,264,036,053.88/54,986.64
  6. Step 6: Final answer
    x = 41,174.29

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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.