Home / 75,272.43-103,880.55-43,443.38

Finding the Fourth Proportional to 75,272.43, 103,880.55 and 43,443.38

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Solution

The fourth proportional to 75,272.43, 103,880.55 and 43,443.38 is: 59,954.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,272.43 : 103,880.55 = 43,443.38 : x
  2. Step 2: Convert to fraction form
    75,272.43/103,880.55 = 43,443.38/x
  3. Step 3: Cross multiply
    75,272.43x = 103,880.55 × 43,443.38
  4. Step 4: Simplify right side
    75,272.43x = 4,512,922,208.26
  5. Step 5: Solve for x
    x = 4,512,922,208.26/75,272.43
  6. Step 6: Final answer
    x = 59,954.52

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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.