Home / 75,171.64-103,736.64-43,340.26

Finding the Fourth Proportional to 75,171.64, 103,736.64 and 43,340.26

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Solution

The fourth proportional to 75,171.64, 103,736.64 and 43,340.26 is: 59,809.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,171.64 : 103,736.64 = 43,340.26 : x
  2. Step 2: Convert to fraction form
    75,171.64/103,736.64 = 43,340.26/x
  3. Step 3: Cross multiply
    75,171.64x = 103,736.64 × 43,340.26
  4. Step 4: Simplify right side
    75,171.64x = 4,495,972,949.13
  5. Step 5: Solve for x
    x = 4,495,972,949.13/75,171.64
  6. Step 6: Final answer
    x = 59,809.43

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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.