Home / 74,228.70-111,429.45-44,679.90

Finding the Fourth Proportional to 74,228.70, 111,429.45 and 44,679.90

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Solution

The fourth proportional to 74,228.70, 111,429.45 and 44,679.90 is: 67,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,228.70 : 111,429.45 = 44,679.90 : x
  2. Step 2: Convert to fraction form
    74,228.70/111,429.45 = 44,679.90/x
  3. Step 3: Cross multiply
    74,228.70x = 111,429.45 × 44,679.90
  4. Step 4: Simplify right side
    74,228.70x = 4,978,656,683.06
  5. Step 5: Solve for x
    x = 4,978,656,683.06/74,228.70
  6. Step 6: Final answer
    x = 67,071.86

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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.