Home / 74,229.90-111,439.89-63,766.86

Finding the Fourth Proportional to 74,229.90, 111,439.89 and 63,766.86

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Solution

The fourth proportional to 74,229.90, 111,439.89 and 63,766.86 is: 95,731.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,229.90 : 111,439.89 = 63,766.86 : x
  2. Step 2: Convert to fraction form
    74,229.90/111,439.89 = 63,766.86/x
  3. Step 3: Cross multiply
    74,229.90x = 111,439.89 × 63,766.86
  4. Step 4: Simplify right side
    74,229.90x = 7,106,171,864.05
  5. Step 5: Solve for x
    x = 7,106,171,864.05/74,229.90
  6. Step 6: Final answer
    x = 95,731.93

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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.