Home / 74,339.38-111,530.94-29,943.28

Finding the Fourth Proportional to 74,339.38, 111,530.94 and 29,943.28

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Solution

The fourth proportional to 74,339.38, 111,530.94 and 29,943.28 is: 44,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,339.38 : 111,530.94 = 29,943.28 : x
  2. Step 2: Convert to fraction form
    74,339.38/111,530.94 = 29,943.28/x
  3. Step 3: Cross multiply
    74,339.38x = 111,530.94 × 29,943.28
  4. Step 4: Simplify right side
    74,339.38x = 3,339,602,165.08
  5. Step 5: Solve for x
    x = 3,339,602,165.08/74,339.38
  6. Step 6: Final answer
    x = 44,923.73

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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.