Home / 71,464.50-107,141.39-41,432.54

Finding the Fourth Proportional to 71,464.50, 107,141.39 and 41,432.54

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Solution

The fourth proportional to 71,464.50, 107,141.39 and 41,432.54 is: 62,116.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,464.50 : 107,141.39 = 41,432.54 : x
  2. Step 2: Convert to fraction form
    71,464.50/107,141.39 = 41,432.54/x
  3. Step 3: Cross multiply
    71,464.50x = 107,141.39 × 41,432.54
  4. Step 4: Simplify right side
    71,464.50x = 4,439,140,216.71
  5. Step 5: Solve for x
    x = 4,439,140,216.71/71,464.50
  6. Step 6: Final answer
    x = 62,116.72

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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.