Home / 75,187.32-112,773.04-39,634.40

Finding the Fourth Proportional to 75,187.32, 112,773.04 and 39,634.40

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Solution

The fourth proportional to 75,187.32, 112,773.04 and 39,634.40 is: 59,447.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,187.32 : 112,773.04 = 39,634.40 : x
  2. Step 2: Convert to fraction form
    75,187.32/112,773.04 = 39,634.40/x
  3. Step 3: Cross multiply
    75,187.32x = 112,773.04 × 39,634.40
  4. Step 4: Simplify right side
    75,187.32x = 4,469,691,776.58
  5. Step 5: Solve for x
    x = 4,469,691,776.58/75,187.32
  6. Step 6: Final answer
    x = 59,447.41

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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.