Home / 125,647.28-173,390.31-68,285.24

Finding the Fourth Proportional to 125,647.28, 173,390.31 and 68,285.24

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Solution

The fourth proportional to 125,647.28, 173,390.31 and 68,285.24 is: 94,232.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,647.28 : 173,390.31 = 68,285.24 : x
  2. Step 2: Convert to fraction form
    125,647.28/173,390.31 = 68,285.24/x
  3. Step 3: Cross multiply
    125,647.28x = 173,390.31 × 68,285.24
  4. Step 4: Simplify right side
    125,647.28x = 11,839,998,932.02
  5. Step 5: Solve for x
    x = 11,839,998,932.02/125,647.28
  6. Step 6: Final answer
    x = 94,232.04

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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.