Home / 86,113.26-118,838.34-47,873.97

Finding the Fourth Proportional to 86,113.26, 118,838.34 and 47,873.97

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Solution

The fourth proportional to 86,113.26, 118,838.34 and 47,873.97 is: 66,067.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,113.26 : 118,838.34 = 47,873.97 : x
  2. Step 2: Convert to fraction form
    86,113.26/118,838.34 = 47,873.97/x
  3. Step 3: Cross multiply
    86,113.26x = 118,838.34 × 47,873.97
  4. Step 4: Simplify right side
    86,113.26x = 5,689,263,124.01
  5. Step 5: Solve for x
    x = 5,689,263,124.01/86,113.26
  6. Step 6: Final answer
    x = 66,067.21

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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.