Home / 74,291.38-111,464.81-29,930.72

Finding the Fourth Proportional to 74,291.38, 111,464.81 and 29,930.72

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Solution

The fourth proportional to 74,291.38, 111,464.81 and 29,930.72 is: 44,907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,291.38 : 111,464.81 = 29,930.72 : x
  2. Step 2: Convert to fraction form
    74,291.38/111,464.81 = 29,930.72/x
  3. Step 3: Cross multiply
    74,291.38x = 111,464.81 × 29,930.72
  4. Step 4: Simplify right side
    74,291.38x = 3,336,221,423.23
  5. Step 5: Solve for x
    x = 3,336,221,423.23/74,291.38
  6. Step 6: Final answer
    x = 44,907.25

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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.