Home / 54,266.22-74,886.73-31,608.90

Finding the Fourth Proportional to 54,266.22, 74,886.73 and 31,608.90

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Solution

The fourth proportional to 54,266.22, 74,886.73 and 31,608.90 is: 43,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,266.22 : 74,886.73 = 31,608.90 : x
  2. Step 2: Convert to fraction form
    54,266.22/74,886.73 = 31,608.90/x
  3. Step 3: Cross multiply
    54,266.22x = 74,886.73 × 31,608.90
  4. Step 4: Simplify right side
    54,266.22x = 2,367,087,080.87
  5. Step 5: Solve for x
    x = 2,367,087,080.87/54,266.22
  6. Step 6: Final answer
    x = 43,619.90

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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.