Home / 86,735.31-119,685.11-49,009.56

Finding the Fourth Proportional to 86,735.31, 119,685.11 and 49,009.56

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Solution

The fourth proportional to 86,735.31, 119,685.11 and 49,009.56 is: 67,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,735.31 : 119,685.11 = 49,009.56 : x
  2. Step 2: Convert to fraction form
    86,735.31/119,685.11 = 49,009.56/x
  3. Step 3: Cross multiply
    86,735.31x = 119,685.11 × 49,009.56
  4. Step 4: Simplify right side
    86,735.31x = 5,865,714,334.60
  5. Step 5: Solve for x
    x = 5,865,714,334.60/86,735.31
  6. Step 6: Final answer
    x = 67,627.76

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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.