Home / 54,738.81-81,948.15-49,485.84

Finding the Fourth Proportional to 54,738.81, 81,948.15 and 49,485.84

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Solution

The fourth proportional to 54,738.81, 81,948.15 and 49,485.84 is: 74,084.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,738.81 : 81,948.15 = 49,485.84 : x
  2. Step 2: Convert to fraction form
    54,738.81/81,948.15 = 49,485.84/x
  3. Step 3: Cross multiply
    54,738.81x = 81,948.15 × 49,485.84
  4. Step 4: Simplify right side
    54,738.81x = 4,055,273,039.20
  5. Step 5: Solve for x
    x = 4,055,273,039.20/54,738.81
  6. Step 6: Final answer
    x = 74,084.06

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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.