Home / 49,605.12-68,435.28-31,695.84

Finding the Fourth Proportional to 49,605.12, 68,435.28 and 31,695.84

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Solution

The fourth proportional to 49,605.12, 68,435.28 and 31,695.84 is: 43,727.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,605.12 : 68,435.28 = 31,695.84 : x
  2. Step 2: Convert to fraction form
    49,605.12/68,435.28 = 31,695.84/x
  3. Step 3: Cross multiply
    49,605.12x = 68,435.28 × 31,695.84
  4. Step 4: Simplify right side
    49,605.12x = 2,169,113,685.24
  5. Step 5: Solve for x
    x = 2,169,113,685.24/49,605.12
  6. Step 6: Final answer
    x = 43,727.62

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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.