Home / 75,165.48-103,727.19-41,173.68

Finding the Fourth Proportional to 75,165.48, 103,727.19 and 41,173.68

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Solution

The fourth proportional to 75,165.48, 103,727.19 and 41,173.68 is: 56,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,165.48 : 103,727.19 = 41,173.68 : x
  2. Step 2: Convert to fraction form
    75,165.48/103,727.19 = 41,173.68/x
  3. Step 3: Cross multiply
    75,165.48x = 103,727.19 × 41,173.68
  4. Step 4: Simplify right side
    75,165.48x = 4,270,830,128.36
  5. Step 5: Solve for x
    x = 4,270,830,128.36/75,165.48
  6. Step 6: Final answer
    x = 56,819.04

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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.