Home / 86,149.05-118,868.25-50,332.14

Finding the Fourth Proportional to 86,149.05, 118,868.25 and 50,332.14

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Solution

The fourth proportional to 86,149.05, 118,868.25 and 50,332.14 is: 69,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,149.05 : 118,868.25 = 50,332.14 : x
  2. Step 2: Convert to fraction form
    86,149.05/118,868.25 = 50,332.14/x
  3. Step 3: Cross multiply
    86,149.05x = 118,868.25 × 50,332.14
  4. Step 4: Simplify right side
    86,149.05x = 5,982,893,400.56
  5. Step 5: Solve for x
    x = 5,982,893,400.56/86,149.05
  6. Step 6: Final answer
    x = 69,448.16

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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.