Home / 83,398.03-115,084.87-47,591.37

Finding the Fourth Proportional to 83,398.03, 115,084.87 and 47,591.37

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Solution

The fourth proportional to 83,398.03, 115,084.87 and 47,591.37 is: 65,673.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,398.03 : 115,084.87 = 47,591.37 : x
  2. Step 2: Convert to fraction form
    83,398.03/115,084.87 = 47,591.37/x
  3. Step 3: Cross multiply
    83,398.03x = 115,084.87 × 47,591.37
  4. Step 4: Simplify right side
    83,398.03x = 5,477,046,510.59
  5. Step 5: Solve for x
    x = 5,477,046,510.59/83,398.03
  6. Step 6: Final answer
    x = 65,673.57

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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.