Home / 54,353.12-74,991.87-31,693.05

Finding the Fourth Proportional to 54,353.12, 74,991.87 and 31,693.05

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Solution

The fourth proportional to 54,353.12, 74,991.87 and 31,693.05 is: 43,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353.12 : 74,991.87 = 31,693.05 : x
  2. Step 2: Convert to fraction form
    54,353.12/74,991.87 = 31,693.05/x
  3. Step 3: Cross multiply
    54,353.12x = 74,991.87 × 31,693.05
  4. Step 4: Simplify right side
    54,353.12x = 2,376,721,085.50
  5. Step 5: Solve for x
    x = 2,376,721,085.50/54,353.12
  6. Step 6: Final answer
    x = 43,727.41

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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.