Home / 55,186.20-76,172.94-36,068.85

Finding the Fourth Proportional to 55,186.20, 76,172.94 and 36,068.85

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Solution

The fourth proportional to 55,186.20, 76,172.94 and 36,068.85 is: 49,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,186.20 : 76,172.94 = 36,068.85 : x
  2. Step 2: Convert to fraction form
    55,186.20/76,172.94 = 36,068.85/x
  3. Step 3: Cross multiply
    55,186.20x = 76,172.94 × 36,068.85
  4. Step 4: Simplify right side
    55,186.20x = 2,747,470,346.92
  5. Step 5: Solve for x
    x = 2,747,470,346.92/55,186.20
  6. Step 6: Final answer
    x = 49,785.46

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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.