Home / 74,289.66-111,329.92-32,137.28

Finding the Fourth Proportional to 74,289.66, 111,329.92 and 32,137.28

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Solution

The fourth proportional to 74,289.66, 111,329.92 and 32,137.28 is: 48,160.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,289.66 : 111,329.92 = 32,137.28 : x
  2. Step 2: Convert to fraction form
    74,289.66/111,329.92 = 32,137.28/x
  3. Step 3: Cross multiply
    74,289.66x = 111,329.92 × 32,137.28
  4. Step 4: Simplify right side
    74,289.66x = 3,577,840,935.16
  5. Step 5: Solve for x
    x = 3,577,840,935.16/74,289.66
  6. Step 6: Final answer
    x = 48,160.69

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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.