Home / 107,719.35-161,604.66-54,280.02

Finding the Fourth Proportional to 107,719.35, 161,604.66 and 54,280.02

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Solution

The fourth proportional to 107,719.35, 161,604.66 and 54,280.02 is: 81,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,719.35 : 161,604.66 = 54,280.02 : x
  2. Step 2: Convert to fraction form
    107,719.35/161,604.66 = 54,280.02/x
  3. Step 3: Cross multiply
    107,719.35x = 161,604.66 × 54,280.02
  4. Step 4: Simplify right side
    107,719.35x = 8,771,904,176.89
  5. Step 5: Solve for x
    x = 8,771,904,176.89/107,719.35
  6. Step 6: Final answer
    x = 81,432.95

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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.