Home / 75,905.76-113,916.72-34,381.92

Finding the Fourth Proportional to 75,905.76, 113,916.72 and 34,381.92

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Solution

The fourth proportional to 75,905.76, 113,916.72 and 34,381.92 is: 51,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,905.76 : 113,916.72 = 34,381.92 : x
  2. Step 2: Convert to fraction form
    75,905.76/113,916.72 = 34,381.92/x
  3. Step 3: Cross multiply
    75,905.76x = 113,916.72 × 34,381.92
  4. Step 4: Simplify right side
    75,905.76x = 3,916,675,553.70
  5. Step 5: Solve for x
    x = 3,916,675,553.70/75,905.76
  6. Step 6: Final answer
    x = 51,599.19

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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.