Home / 75,264.80-103,878.96-43,429.28

Finding the Fourth Proportional to 75,264.80, 103,878.96 and 43,429.28

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Solution

The fourth proportional to 75,264.80, 103,878.96 and 43,429.28 is: 59,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,264.80 : 103,878.96 = 43,429.28 : x
  2. Step 2: Convert to fraction form
    75,264.80/103,878.96 = 43,429.28/x
  3. Step 3: Cross multiply
    75,264.80x = 103,878.96 × 43,429.28
  4. Step 4: Simplify right side
    75,264.80x = 4,511,388,439.95
  5. Step 5: Solve for x
    x = 4,511,388,439.95/75,264.80
  6. Step 6: Final answer
    x = 59,940.22

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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.