Home / 75,306.51-103,837.77-48,046.12

Finding the Fourth Proportional to 75,306.51, 103,837.77 and 48,046.12

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Solution

The fourth proportional to 75,306.51, 103,837.77 and 48,046.12 is: 66,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,306.51 : 103,837.77 = 48,046.12 : x
  2. Step 2: Convert to fraction form
    75,306.51/103,837.77 = 48,046.12/x
  3. Step 3: Cross multiply
    75,306.51x = 103,837.77 × 48,046.12
  4. Step 4: Simplify right side
    75,306.51x = 4,989,002,563.60
  5. Step 5: Solve for x
    x = 4,989,002,563.60/75,306.51
  6. Step 6: Final answer
    x = 66,249.29

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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.