Home / 75,738.18-104,519.42-41,748

Finding the Fourth Proportional to 75,738.18, 104,519.42 and 41,748

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Solution

The fourth proportional to 75,738.18, 104,519.42 and 41,748 is: 57,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,738.18 : 104,519.42 = 41,748 : x
  2. Step 2: Convert to fraction form
    75,738.18/104,519.42 = 41,748/x
  3. Step 3: Cross multiply
    75,738.18x = 104,519.42 × 41,748
  4. Step 4: Simplify right side
    75,738.18x = 4,363,476,746.16
  5. Step 5: Solve for x
    x = 4,363,476,746.16/75,738.18
  6. Step 6: Final answer
    x = 57,612.64

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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.