Home / 74,455.20-111,682.80-44,930.70

Finding the Fourth Proportional to 74,455.20, 111,682.80 and 44,930.70

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Solution

The fourth proportional to 74,455.20, 111,682.80 and 44,930.70 is: 67,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,455.20 : 111,682.80 = 44,930.70 : x
  2. Step 2: Convert to fraction form
    74,455.20/111,682.80 = 44,930.70/x
  3. Step 3: Cross multiply
    74,455.20x = 111,682.80 × 44,930.70
  4. Step 4: Simplify right side
    74,455.20x = 5,017,986,381.96
  5. Step 5: Solve for x
    x = 5,017,986,381.96/74,455.20
  6. Step 6: Final answer
    x = 67,396.05

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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.