Home / 75,170.59-112,755.81-30,797.43

Finding the Fourth Proportional to 75,170.59, 112,755.81 and 30,797.43

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Solution

The fourth proportional to 75,170.59, 112,755.81 and 30,797.43 is: 46,196.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,170.59 : 112,755.81 = 30,797.43 : x
  2. Step 2: Convert to fraction form
    75,170.59/112,755.81 = 30,797.43/x
  3. Step 3: Cross multiply
    75,170.59x = 112,755.81 × 30,797.43
  4. Step 4: Simplify right side
    75,170.59x = 3,472,588,601.79
  5. Step 5: Solve for x
    x = 3,472,588,601.79/75,170.59
  6. Step 6: Final answer
    x = 46,196.11

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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.