Home / 123,917.71-185,772.06-53,744.17

Finding the Fourth Proportional to 123,917.71, 185,772.06 and 53,744.17

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Solution

The fourth proportional to 123,917.71, 185,772.06 and 53,744.17 is: 80,570.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,917.71 : 185,772.06 = 53,744.17 : x
  2. Step 2: Convert to fraction form
    123,917.71/185,772.06 = 53,744.17/x
  3. Step 3: Cross multiply
    123,917.71x = 185,772.06 × 53,744.17
  4. Step 4: Simplify right side
    123,917.71x = 9,984,164,905.17
  5. Step 5: Solve for x
    x = 9,984,164,905.17/123,917.71
  6. Step 6: Final answer
    x = 80,570.93

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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.