Home / 43,083.05-64,585.19-18,124.86

Finding the Fourth Proportional to 43,083.05, 64,585.19 and 18,124.86

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Solution

The fourth proportional to 43,083.05, 64,585.19 and 18,124.86 is: 27,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,083.05 : 64,585.19 = 18,124.86 : x
  2. Step 2: Convert to fraction form
    43,083.05/64,585.19 = 18,124.86/x
  3. Step 3: Cross multiply
    43,083.05x = 64,585.19 × 18,124.86
  4. Step 4: Simplify right side
    43,083.05x = 1,170,597,686.89
  5. Step 5: Solve for x
    x = 1,170,597,686.89/43,083.05
  6. Step 6: Final answer
    x = 27,170.72

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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.