Home / 125,057.10-172,578.94-68,467.26

Finding the Fourth Proportional to 125,057.10, 172,578.94 and 68,467.26

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Solution

The fourth proportional to 125,057.10, 172,578.94 and 68,467.26 is: 94,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,057.10 : 172,578.94 = 68,467.26 : x
  2. Step 2: Convert to fraction form
    125,057.10/172,578.94 = 68,467.26/x
  3. Step 3: Cross multiply
    125,057.10x = 172,578.94 × 68,467.26
  4. Step 4: Simplify right side
    125,057.10x = 11,816,007,155.50
  5. Step 5: Solve for x
    x = 11,816,007,155.50/125,057.10
  6. Step 6: Final answer
    x = 94,484.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.