Home / 54,886.43-75,741.33-31,012.58

Finding the Fourth Proportional to 54,886.43, 75,741.33 and 31,012.58

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Solution

The fourth proportional to 54,886.43, 75,741.33 and 31,012.58 is: 42,796.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,886.43 : 75,741.33 = 31,012.58 : x
  2. Step 2: Convert to fraction form
    54,886.43/75,741.33 = 31,012.58/x
  3. Step 3: Cross multiply
    54,886.43x = 75,741.33 × 31,012.58
  4. Step 4: Simplify right side
    54,886.43x = 2,348,934,055.93
  5. Step 5: Solve for x
    x = 2,348,934,055.93/54,886.43
  6. Step 6: Final answer
    x = 42,796.27

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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.