Home / 49,740.24-68,629.92-36,318.72

Finding the Fourth Proportional to 49,740.24, 68,629.92 and 36,318.72

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Solution

The fourth proportional to 49,740.24, 68,629.92 and 36,318.72 is: 50,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,740.24 : 68,629.92 = 36,318.72 : x
  2. Step 2: Convert to fraction form
    49,740.24/68,629.92 = 36,318.72/x
  3. Step 3: Cross multiply
    49,740.24x = 68,629.92 × 36,318.72
  4. Step 4: Simplify right side
    49,740.24x = 2,492,550,848.10
  5. Step 5: Solve for x
    x = 2,492,550,848.10/49,740.24
  6. Step 6: Final answer
    x = 50,111.36

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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.