Home / 86,209.62-118,951.45-50,392.71

Finding the Fourth Proportional to 86,209.62, 118,951.45 and 50,392.71

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Solution

The fourth proportional to 86,209.62, 118,951.45 and 50,392.71 is: 69,531.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,209.62 : 118,951.45 = 50,392.71 : x
  2. Step 2: Convert to fraction form
    86,209.62/118,951.45 = 50,392.71/x
  3. Step 3: Cross multiply
    86,209.62x = 118,951.45 × 50,392.71
  4. Step 4: Simplify right side
    86,209.62x = 5,994,285,203.19
  5. Step 5: Solve for x
    x = 5,994,285,203.19/86,209.62
  6. Step 6: Final answer
    x = 69,531.51

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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.