Home / 75,275.15-103,850.06-43,437.90

Finding the Fourth Proportional to 75,275.15, 103,850.06 and 43,437.90

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Solution

The fourth proportional to 75,275.15, 103,850.06 and 43,437.90 is: 59,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,275.15 : 103,850.06 = 43,437.90 : x
  2. Step 2: Convert to fraction form
    75,275.15/103,850.06 = 43,437.90/x
  3. Step 3: Cross multiply
    75,275.15x = 103,850.06 × 43,437.90
  4. Step 4: Simplify right side
    75,275.15x = 4,511,028,304.08
  5. Step 5: Solve for x
    x = 4,511,028,304.08/75,275.15
  6. Step 6: Final answer
    x = 59,927.20

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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.