Home / 75,864.94-113,812.02-29,114.17

Finding the Fourth Proportional to 75,864.94, 113,812.02 and 29,114.17

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Solution

The fourth proportional to 75,864.94, 113,812.02 and 29,114.17 is: 43,676.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,864.94 : 113,812.02 = 29,114.17 : x
  2. Step 2: Convert to fraction form
    75,864.94/113,812.02 = 29,114.17/x
  3. Step 3: Cross multiply
    75,864.94x = 113,812.02 × 29,114.17
  4. Step 4: Simplify right side
    75,864.94x = 3,313,542,213.79
  5. Step 5: Solve for x
    x = 3,313,542,213.79/75,864.94
  6. Step 6: Final answer
    x = 43,676.86

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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.