Home / 83,499.14-115,226.43-47,688.41

Finding the Fourth Proportional to 83,499.14, 115,226.43 and 47,688.41

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Solution

The fourth proportional to 83,499.14, 115,226.43 and 47,688.41 is: 65,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,499.14 : 115,226.43 = 47,688.41 : x
  2. Step 2: Convert to fraction form
    83,499.14/115,226.43 = 47,688.41/x
  3. Step 3: Cross multiply
    83,499.14x = 115,226.43 × 47,688.41
  4. Step 4: Simplify right side
    83,499.14x = 5,494,965,236.68
  5. Step 5: Solve for x
    x = 5,494,965,236.68/83,499.14
  6. Step 6: Final answer
    x = 65,808.64

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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.