Home / 121,877.46-182,839.07-55,322.27

Finding the Fourth Proportional to 121,877.46, 182,839.07 and 55,322.27

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Solution

The fourth proportional to 121,877.46, 182,839.07 and 55,322.27 is: 82,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,877.46 : 182,839.07 = 55,322.27 : x
  2. Step 2: Convert to fraction form
    121,877.46/182,839.07 = 55,322.27/x
  3. Step 3: Cross multiply
    121,877.46x = 182,839.07 × 55,322.27
  4. Step 4: Simplify right side
    121,877.46x = 10,115,071,792.61
  5. Step 5: Solve for x
    x = 10,115,071,792.61/121,877.46
  6. Step 6: Final answer
    x = 82,993.79

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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.