Home / 84,320.69-116,367.06-48,516.16

Finding the Fourth Proportional to 84,320.69, 116,367.06 and 48,516.16

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Solution

The fourth proportional to 84,320.69, 116,367.06 and 48,516.16 is: 66,954.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,320.69 : 116,367.06 = 48,516.16 : x
  2. Step 2: Convert to fraction form
    84,320.69/116,367.06 = 48,516.16/x
  3. Step 3: Cross multiply
    84,320.69x = 116,367.06 × 48,516.16
  4. Step 4: Simplify right side
    84,320.69x = 5,645,682,077.27
  5. Step 5: Solve for x
    x = 5,645,682,077.27/84,320.69
  6. Step 6: Final answer
    x = 66,954.88

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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.