Home / 54,619.92-75,373.74-30,743.35

Finding the Fourth Proportional to 54,619.92, 75,373.74 and 30,743.35

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Solution

The fourth proportional to 54,619.92, 75,373.74 and 30,743.35 is: 42,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,619.92 : 75,373.74 = 30,743.35 : x
  2. Step 2: Convert to fraction form
    54,619.92/75,373.74 = 30,743.35/x
  3. Step 3: Cross multiply
    54,619.92x = 75,373.74 × 30,743.35
  4. Step 4: Simplify right side
    54,619.92x = 2,317,241,081.19
  5. Step 5: Solve for x
    x = 2,317,241,081.19/54,619.92
  6. Step 6: Final answer
    x = 42,424.83

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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.