Home / 49,867.20-74,743.92-31,155.84

Finding the Fourth Proportional to 49,867.20, 74,743.92 and 31,155.84

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Solution

The fourth proportional to 49,867.20, 74,743.92 and 31,155.84 is: 46,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,867.20 : 74,743.92 = 31,155.84 : x
  2. Step 2: Convert to fraction form
    49,867.20/74,743.92 = 31,155.84/x
  3. Step 3: Cross multiply
    49,867.20x = 74,743.92 × 31,155.84
  4. Step 4: Simplify right side
    49,867.20x = 2,328,709,612.49
  5. Step 5: Solve for x
    x = 2,328,709,612.49/49,867.20
  6. Step 6: Final answer
    x = 46,698.22

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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.