Home / 75,409.32-104,066.12-41,420.95

Finding the Fourth Proportional to 75,409.32, 104,066.12 and 41,420.95

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Solution

The fourth proportional to 75,409.32, 104,066.12 and 41,420.95 is: 57,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,409.32 : 104,066.12 = 41,420.95 : x
  2. Step 2: Convert to fraction form
    75,409.32/104,066.12 = 41,420.95/x
  3. Step 3: Cross multiply
    75,409.32x = 104,066.12 × 41,420.95
  4. Step 4: Simplify right side
    75,409.32x = 4,310,517,981.97
  5. Step 5: Solve for x
    x = 4,310,517,981.97/75,409.32
  6. Step 6: Final answer
    x = 57,161.61

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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.