Home / 77,500.56-106,923.28-50,658.56

Finding the Fourth Proportional to 77,500.56, 106,923.28 and 50,658.56

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Solution

The fourth proportional to 77,500.56, 106,923.28 and 50,658.56 is: 69,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,500.56 : 106,923.28 = 50,658.56 : x
  2. Step 2: Convert to fraction form
    77,500.56/106,923.28 = 50,658.56/x
  3. Step 3: Cross multiply
    77,500.56x = 106,923.28 × 50,658.56
  4. Step 4: Simplify right side
    77,500.56x = 5,416,579,395.28
  5. Step 5: Solve for x
    x = 5,416,579,395.28/77,500.56
  6. Step 6: Final answer
    x = 69,890.84

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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.