Home / 51,907.17-71,641.04-49,540.61

Finding the Fourth Proportional to 51,907.17, 71,641.04 and 49,540.61

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Solution

The fourth proportional to 51,907.17, 71,641.04 and 49,540.61 is: 68,374.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,907.17 : 71,641.04 = 49,540.61 : x
  2. Step 2: Convert to fraction form
    51,907.17/71,641.04 = 49,540.61/x
  3. Step 3: Cross multiply
    51,907.17x = 71,641.04 × 49,540.61
  4. Step 4: Simplify right side
    51,907.17x = 3,549,140,216.73
  5. Step 5: Solve for x
    x = 3,549,140,216.73/51,907.17
  6. Step 6: Final answer
    x = 68,374.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.