Home / 77,318.76-106,626.42-50,452.68

Finding the Fourth Proportional to 77,318.76, 106,626.42 and 50,452.68

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Solution

The fourth proportional to 77,318.76, 106,626.42 and 50,452.68 is: 69,576.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,318.76 : 106,626.42 = 50,452.68 : x
  2. Step 2: Convert to fraction form
    77,318.76/106,626.42 = 50,452.68/x
  3. Step 3: Cross multiply
    77,318.76x = 106,626.42 × 50,452.68
  4. Step 4: Simplify right side
    77,318.76x = 5,379,588,647.81
  5. Step 5: Solve for x
    x = 5,379,588,647.81/77,318.76
  6. Step 6: Final answer
    x = 69,576.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.