Home / 54,781.26-75,580.47-43,259.61

Finding the Fourth Proportional to 54,781.26, 75,580.47 and 43,259.61

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Solution

The fourth proportional to 54,781.26, 75,580.47 and 43,259.61 is: 59,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,781.26 : 75,580.47 = 43,259.61 : x
  2. Step 2: Convert to fraction form
    54,781.26/75,580.47 = 43,259.61/x
  3. Step 3: Cross multiply
    54,781.26x = 75,580.47 × 43,259.61
  4. Step 4: Simplify right side
    54,781.26x = 3,269,581,655.82
  5. Step 5: Solve for x
    x = 3,269,581,655.82/54,781.26
  6. Step 6: Final answer
    x = 59,684.31

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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.