Home / 74,529.47-111,751.90-50,865.71

Finding the Fourth Proportional to 74,529.47, 111,751.90 and 50,865.71

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Solution

The fourth proportional to 74,529.47, 111,751.90 and 50,865.71 is: 76,269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,529.47 : 111,751.90 = 50,865.71 : x
  2. Step 2: Convert to fraction form
    74,529.47/111,751.90 = 50,865.71/x
  3. Step 3: Cross multiply
    74,529.47x = 111,751.90 × 50,865.71
  4. Step 4: Simplify right side
    74,529.47x = 5,684,339,051.43
  5. Step 5: Solve for x
    x = 5,684,339,051.43/74,529.47
  6. Step 6: Final answer
    x = 76,269.68

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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.