Home / 55,178.12-82,766.70-36,541.54

Finding the Fourth Proportional to 55,178.12, 82,766.70 and 36,541.54

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Solution

The fourth proportional to 55,178.12, 82,766.70 and 36,541.54 is: 54,811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,178.12 : 82,766.70 = 36,541.54 : x
  2. Step 2: Convert to fraction form
    55,178.12/82,766.70 = 36,541.54/x
  3. Step 3: Cross multiply
    55,178.12x = 82,766.70 × 36,541.54
  4. Step 4: Simplify right side
    55,178.12x = 3,024,422,678.72
  5. Step 5: Solve for x
    x = 3,024,422,678.72/55,178.12
  6. Step 6: Final answer
    x = 54,811.99

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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.