Home / 49,772.36-68,773.23-39,783.17

Finding the Fourth Proportional to 49,772.36, 68,773.23 and 39,783.17

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Solution

The fourth proportional to 49,772.36, 68,773.23 and 39,783.17 is: 54,970.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,772.36 : 68,773.23 = 39,783.17 : x
  2. Step 2: Convert to fraction form
    49,772.36/68,773.23 = 39,783.17/x
  3. Step 3: Cross multiply
    49,772.36x = 68,773.23 × 39,783.17
  4. Step 4: Simplify right side
    49,772.36x = 2,736,016,756.67
  5. Step 5: Solve for x
    x = 2,736,016,756.67/49,772.36
  6. Step 6: Final answer
    x = 54,970.61

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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.