Home / 75,987.08-113,947.44-29,207

Finding the Fourth Proportional to 75,987.08, 113,947.44 and 29,207

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Solution

The fourth proportional to 75,987.08, 113,947.44 and 29,207 is: 43,797.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,987.08 : 113,947.44 = 29,207 : x
  2. Step 2: Convert to fraction form
    75,987.08/113,947.44 = 29,207/x
  3. Step 3: Cross multiply
    75,987.08x = 113,947.44 × 29,207
  4. Step 4: Simplify right side
    75,987.08x = 3,328,062,880.08
  5. Step 5: Solve for x
    x = 3,328,062,880.08/75,987.08
  6. Step 6: Final answer
    x = 43,797.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.