Home / 75,493.76-113,175.83-42,186.56

Finding the Fourth Proportional to 75,493.76, 113,175.83 and 42,186.56

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Solution

The fourth proportional to 75,493.76, 113,175.83 and 42,186.56 is: 63,243.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,493.76 : 113,175.83 = 42,186.56 : x
  2. Step 2: Convert to fraction form
    75,493.76/113,175.83 = 42,186.56/x
  3. Step 3: Cross multiply
    75,493.76x = 113,175.83 × 42,186.56
  4. Step 4: Simplify right side
    75,493.76x = 4,774,498,482.43
  5. Step 5: Solve for x
    x = 4,774,498,482.43/75,493.76
  6. Step 6: Final answer
    x = 63,243.62

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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.