Home / 83,187.75-114,803.22-49,216.11

Finding the Fourth Proportional to 83,187.75, 114,803.22 and 49,216.11

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Solution

The fourth proportional to 83,187.75, 114,803.22 and 49,216.11 is: 67,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,187.75 : 114,803.22 = 49,216.11 : x
  2. Step 2: Convert to fraction form
    83,187.75/114,803.22 = 49,216.11/x
  3. Step 3: Cross multiply
    83,187.75x = 114,803.22 × 49,216.11
  4. Step 4: Simplify right side
    83,187.75x = 5,650,167,903.87
  5. Step 5: Solve for x
    x = 5,650,167,903.87/83,187.75
  6. Step 6: Final answer
    x = 67,920.67

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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.