Home / 83,812.61-115,661.40-46,086.86

Finding the Fourth Proportional to 83,812.61, 115,661.40 and 46,086.86

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Solution

The fourth proportional to 83,812.61, 115,661.40 and 46,086.86 is: 63,599.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,812.61 : 115,661.40 = 46,086.86 : x
  2. Step 2: Convert to fraction form
    83,812.61/115,661.40 = 46,086.86/x
  3. Step 3: Cross multiply
    83,812.61x = 115,661.40 × 46,086.86
  4. Step 4: Simplify right side
    83,812.61x = 5,330,469,940.46
  5. Step 5: Solve for x
    x = 5,330,469,940.46/83,812.61
  6. Step 6: Final answer
    x = 63,599.86

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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.