Home / 125,043.05-172,559.41-68,454.43

Finding the Fourth Proportional to 125,043.05, 172,559.41 and 68,454.43

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Solution

The fourth proportional to 125,043.05, 172,559.41 and 68,454.43 is: 94,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,043.05 : 172,559.41 = 68,454.43 : x
  2. Step 2: Convert to fraction form
    125,043.05/172,559.41 = 68,454.43/x
  3. Step 3: Cross multiply
    125,043.05x = 172,559.41 × 68,454.43
  4. Step 4: Simplify right side
    125,043.05x = 11,812,455,450.15
  5. Step 5: Solve for x
    x = 11,812,455,450.15/125,043.05
  6. Step 6: Final answer
    x = 94,467.11

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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.