Home / 86,209.19-118,950.85-50,392.27

Finding the Fourth Proportional to 86,209.19, 118,950.85 and 50,392.27

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Solution

The fourth proportional to 86,209.19, 118,950.85 and 50,392.27 is: 69,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,209.19 : 118,950.85 = 50,392.27 : x
  2. Step 2: Convert to fraction form
    86,209.19/118,950.85 = 50,392.27/x
  3. Step 3: Cross multiply
    86,209.19x = 118,950.85 × 50,392.27
  4. Step 4: Simplify right side
    86,209.19x = 5,994,202,832.09
  5. Step 5: Solve for x
    x = 5,994,202,832.09/86,209.19
  6. Step 6: Final answer
    x = 69,530.91

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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.