Home / 54,282.08-74,908.83-30,408.98

Finding the Fourth Proportional to 54,282.08, 74,908.83 and 30,408.98

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Solution

The fourth proportional to 54,282.08, 74,908.83 and 30,408.98 is: 41,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282.08 : 74,908.83 = 30,408.98 : x
  2. Step 2: Convert to fraction form
    54,282.08/74,908.83 = 30,408.98/x
  3. Step 3: Cross multiply
    54,282.08x = 74,908.83 × 30,408.98
  4. Step 4: Simplify right side
    54,282.08x = 2,277,901,113.29
  5. Step 5: Solve for x
    x = 2,277,901,113.29/54,282.08
  6. Step 6: Final answer
    x = 41,964.15

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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.