Home / 75,916.20-113,874.30-34,363.20

Finding the Fourth Proportional to 75,916.20, 113,874.30 and 34,363.20

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Solution

The fourth proportional to 75,916.20, 113,874.30 and 34,363.20 is: 51,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,916.20 : 113,874.30 = 34,363.20 : x
  2. Step 2: Convert to fraction form
    75,916.20/113,874.30 = 34,363.20/x
  3. Step 3: Cross multiply
    75,916.20x = 113,874.30 × 34,363.20
  4. Step 4: Simplify right side
    75,916.20x = 3,913,085,345.76
  5. Step 5: Solve for x
    x = 3,913,085,345.76/75,916.20
  6. Step 6: Final answer
    x = 51,544.80

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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.