Home / 74,942.29-112,491.30-50,155.55

Finding the Fourth Proportional to 74,942.29, 112,491.30 and 50,155.55

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Solution

The fourth proportional to 74,942.29, 112,491.30 and 50,155.55 is: 75,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,942.29 : 112,491.30 = 50,155.55 : x
  2. Step 2: Convert to fraction form
    74,942.29/112,491.30 = 50,155.55/x
  3. Step 3: Cross multiply
    74,942.29x = 112,491.30 × 50,155.55
  4. Step 4: Simplify right side
    74,942.29x = 5,642,063,186.06
  5. Step 5: Solve for x
    x = 5,642,063,186.06/74,942.29
  6. Step 6: Final answer
    x = 75,285.44

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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.