Home / 86,149.14-118,868.39-50,332.23

Finding the Fourth Proportional to 86,149.14, 118,868.39 and 50,332.23

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Solution

The fourth proportional to 86,149.14, 118,868.39 and 50,332.23 is: 69,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,149.14 : 118,868.39 = 50,332.23 : x
  2. Step 2: Convert to fraction form
    86,149.14/118,868.39 = 50,332.23/x
  3. Step 3: Cross multiply
    86,149.14x = 118,868.39 × 50,332.23
  4. Step 4: Simplify right side
    86,149.14x = 5,982,910,893.55
  5. Step 5: Solve for x
    x = 5,982,910,893.55/86,149.14
  6. Step 6: Final answer
    x = 69,448.30

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1.5x scale

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.