Home / 74,926.24-112,405.78-28,179.10

Finding the Fourth Proportional to 74,926.24, 112,405.78 and 28,179.10

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Solution

The fourth proportional to 74,926.24, 112,405.78 and 28,179.10 is: 42,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,926.24 : 112,405.78 = 28,179.10 : x
  2. Step 2: Convert to fraction form
    74,926.24/112,405.78 = 28,179.10/x
  3. Step 3: Cross multiply
    74,926.24x = 112,405.78 × 28,179.10
  4. Step 4: Simplify right side
    74,926.24x = 3,167,493,715.20
  5. Step 5: Solve for x
    x = 3,167,493,715.20/74,926.24
  6. Step 6: Final answer
    x = 42,274.83

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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.