Home / 49,317.64-68,039.22-31,409.44

Finding the Fourth Proportional to 49,317.64, 68,039.22 and 31,409.44

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Solution

The fourth proportional to 49,317.64, 68,039.22 and 31,409.44 is: 43,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,317.64 : 68,039.22 = 31,409.44 : x
  2. Step 2: Convert to fraction form
    49,317.64/68,039.22 = 31,409.44/x
  3. Step 3: Cross multiply
    49,317.64x = 68,039.22 × 31,409.44
  4. Step 4: Simplify right side
    49,317.64x = 2,137,073,798.24
  5. Step 5: Solve for x
    x = 2,137,073,798.24/49,317.64
  6. Step 6: Final answer
    x = 43,332.85

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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.