Home / 115,916.85-173,847.09-31,677.39

Finding the Fourth Proportional to 115,916.85, 173,847.09 and 31,677.39

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Solution

The fourth proportional to 115,916.85, 173,847.09 and 31,677.39 is: 47,508.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,916.85 : 173,847.09 = 31,677.39 : x
  2. Step 2: Convert to fraction form
    115,916.85/173,847.09 = 31,677.39/x
  3. Step 3: Cross multiply
    115,916.85x = 173,847.09 × 31,677.39
  4. Step 4: Simplify right side
    115,916.85x = 5,507,022,070.30
  5. Step 5: Solve for x
    x = 5,507,022,070.30/115,916.85
  6. Step 6: Final answer
    x = 47,508.38

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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.