Home / 54,740.96-75,529.61-30,863.03

Finding the Fourth Proportional to 54,740.96, 75,529.61 and 30,863.03

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Solution

The fourth proportional to 54,740.96, 75,529.61 and 30,863.03 is: 42,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,740.96 : 75,529.61 = 30,863.03 : x
  2. Step 2: Convert to fraction form
    54,740.96/75,529.61 = 30,863.03/x
  3. Step 3: Cross multiply
    54,740.96x = 75,529.61 × 30,863.03
  4. Step 4: Simplify right side
    54,740.96x = 2,331,072,116.29
  5. Step 5: Solve for x
    x = 2,331,072,116.29/54,740.96
  6. Step 6: Final answer
    x = 42,583.69

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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.