Home / 54,055.81-81,072.44-14,603.68

Finding the Fourth Proportional to 54,055.81, 81,072.44 and 14,603.68

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Solution

The fourth proportional to 54,055.81, 81,072.44 and 14,603.68 is: 21,902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,055.81 : 81,072.44 = 14,603.68 : x
  2. Step 2: Convert to fraction form
    54,055.81/81,072.44 = 14,603.68/x
  3. Step 3: Cross multiply
    54,055.81x = 81,072.44 × 14,603.68
  4. Step 4: Simplify right side
    54,055.81x = 1,183,955,970.58
  5. Step 5: Solve for x
    x = 1,183,955,970.58/54,055.81
  6. Step 6: Final answer
    x = 21,902.47

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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.