Home / 87,341.14-120,516.05-49,095.64

Finding the Fourth Proportional to 87,341.14, 120,516.05 and 49,095.64

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Solution

The fourth proportional to 87,341.14, 120,516.05 and 49,095.64 is: 67,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,341.14 : 120,516.05 = 49,095.64 : x
  2. Step 2: Convert to fraction form
    87,341.14/120,516.05 = 49,095.64/x
  3. Step 3: Cross multiply
    87,341.14x = 120,516.05 × 49,095.64
  4. Step 4: Simplify right side
    87,341.14x = 5,916,812,605.02
  5. Step 5: Solve for x
    x = 5,916,812,605.02/87,341.14
  6. Step 6: Final answer
    x = 67,743.71

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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.