Home / 86,195.28-118,950.96-47,957.88

Finding the Fourth Proportional to 86,195.28, 118,950.96 and 47,957.88

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Solution

The fourth proportional to 86,195.28, 118,950.96 and 47,957.88 is: 66,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,195.28 : 118,950.96 = 47,957.88 : x
  2. Step 2: Convert to fraction form
    86,195.28/118,950.96 = 47,957.88/x
  3. Step 3: Cross multiply
    86,195.28x = 118,950.96 × 47,957.88
  4. Step 4: Simplify right side
    86,195.28x = 5,704,635,865.56
  5. Step 5: Solve for x
    x = 5,704,635,865.56/86,195.28
  6. Step 6: Final answer
    x = 66,182.69

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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.