Home / 75,232.10-103,831.35-43,394.78

Finding the Fourth Proportional to 75,232.10, 103,831.35 and 43,394.78

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Solution

The fourth proportional to 75,232.10, 103,831.35 and 43,394.78 is: 59,891.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,232.10 : 103,831.35 = 43,394.78 : x
  2. Step 2: Convert to fraction form
    75,232.10/103,831.35 = 43,394.78/x
  3. Step 3: Cross multiply
    75,232.10x = 103,831.35 × 43,394.78
  4. Step 4: Simplify right side
    75,232.10x = 4,505,738,590.35
  5. Step 5: Solve for x
    x = 4,505,738,590.35/75,232.10
  6. Step 6: Final answer
    x = 59,891.17

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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.