Home / 73,329.48-109,963.20-31,207.86

Finding the Fourth Proportional to 73,329.48, 109,963.20 and 31,207.86

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Solution

The fourth proportional to 73,329.48, 109,963.20 and 31,207.86 is: 46,798.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,329.48 : 109,963.20 = 31,207.86 : x
  2. Step 2: Convert to fraction form
    73,329.48/109,963.20 = 31,207.86/x
  3. Step 3: Cross multiply
    73,329.48x = 109,963.20 × 31,207.86
  4. Step 4: Simplify right side
    73,329.48x = 3,431,716,150.75
  5. Step 5: Solve for x
    x = 3,431,716,150.75/73,329.48
  6. Step 6: Final answer
    x = 46,798.59

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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.