Home / 75,072.43-112,626.16-21,765.52

Finding the Fourth Proportional to 75,072.43, 112,626.16 and 21,765.52

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Solution

The fourth proportional to 75,072.43, 112,626.16 and 21,765.52 is: 32,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,072.43 : 112,626.16 = 21,765.52 : x
  2. Step 2: Convert to fraction form
    75,072.43/112,626.16 = 21,765.52/x
  3. Step 3: Cross multiply
    75,072.43x = 112,626.16 × 21,765.52
  4. Step 4: Simplify right side
    75,072.43x = 2,451,366,938.00
  5. Step 5: Solve for x
    x = 2,451,366,938.00/75,072.43
  6. Step 6: Final answer
    x = 32,653.36

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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.