Home / 81,250.45-121,877.06-22,084.67

Finding the Fourth Proportional to 81,250.45, 121,877.06 and 22,084.67

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Solution

The fourth proportional to 81,250.45, 121,877.06 and 22,084.67 is: 33,127.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,250.45 : 121,877.06 = 22,084.67 : x
  2. Step 2: Convert to fraction form
    81,250.45/121,877.06 = 22,084.67/x
  3. Step 3: Cross multiply
    81,250.45x = 121,877.06 × 22,084.67
  4. Step 4: Simplify right side
    81,250.45x = 2,691,614,844.94
  5. Step 5: Solve for x
    x = 2,691,614,844.94/81,250.45
  6. Step 6: Final answer
    x = 33,127.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.