Home / 75,055.48-103,531.44-49,562.08

Finding the Fourth Proportional to 75,055.48, 103,531.44 and 49,562.08

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Solution

The fourth proportional to 75,055.48, 103,531.44 and 49,562.08 is: 68,365.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,055.48 : 103,531.44 = 49,562.08 : x
  2. Step 2: Convert to fraction form
    75,055.48/103,531.44 = 49,562.08/x
  3. Step 3: Cross multiply
    75,055.48x = 103,531.44 × 49,562.08
  4. Step 4: Simplify right side
    75,055.48x = 5,131,233,511.80
  5. Step 5: Solve for x
    x = 5,131,233,511.80/75,055.48
  6. Step 6: Final answer
    x = 68,365.87

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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.