Home / 86,021.92-118,719.61-52,049.15

Finding the Fourth Proportional to 86,021.92, 118,719.61 and 52,049.15

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Solution

The fourth proportional to 86,021.92, 118,719.61 and 52,049.15 is: 71,833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,021.92 : 118,719.61 = 52,049.15 : x
  2. Step 2: Convert to fraction form
    86,021.92/118,719.61 = 52,049.15/x
  3. Step 3: Cross multiply
    86,021.92x = 118,719.61 × 52,049.15
  4. Step 4: Simplify right side
    86,021.92x = 6,179,254,528.59
  5. Step 5: Solve for x
    x = 6,179,254,528.59/86,021.92
  6. Step 6: Final answer
    x = 71,833.49

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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.