Home / 86,217.32-118,974.84-47,975.60

Finding the Fourth Proportional to 86,217.32, 118,974.84 and 47,975.60

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Solution

The fourth proportional to 86,217.32, 118,974.84 and 47,975.60 is: 66,203.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,217.32 : 118,974.84 = 47,975.60 : x
  2. Step 2: Convert to fraction form
    86,217.32/118,974.84 = 47,975.60/x
  3. Step 3: Cross multiply
    86,217.32x = 118,974.84 × 47,975.60
  4. Step 4: Simplify right side
    86,217.32x = 5,707,889,333.90
  5. Step 5: Solve for x
    x = 5,707,889,333.90/86,217.32
  6. Step 6: Final answer
    x = 66,203.51

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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.