Home / 86,179.25-118,928.85-47,941.85

Finding the Fourth Proportional to 86,179.25, 118,928.85 and 47,941.85

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Solution

The fourth proportional to 86,179.25, 118,928.85 and 47,941.85 is: 66,160.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,179.25 : 118,928.85 = 47,941.85 : x
  2. Step 2: Convert to fraction form
    86,179.25/118,928.85 = 47,941.85/x
  3. Step 3: Cross multiply
    86,179.25x = 118,928.85 × 47,941.85
  4. Step 4: Simplify right side
    86,179.25x = 5,701,669,087.37
  5. Step 5: Solve for x
    x = 5,701,669,087.37/86,179.25
  6. Step 6: Final answer
    x = 66,160.58

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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.