Home / 89,629.05-134,526.70-45,286.94

Finding the Fourth Proportional to 89,629.05, 134,526.70 and 45,286.94

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Solution

The fourth proportional to 89,629.05, 134,526.70 and 45,286.94 is: 67,972.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,629.05 : 134,526.70 = 45,286.94 : x
  2. Step 2: Convert to fraction form
    89,629.05/134,526.70 = 45,286.94/x
  3. Step 3: Cross multiply
    89,629.05x = 134,526.70 × 45,286.94
  4. Step 4: Simplify right side
    89,629.05x = 6,092,302,591.30
  5. Step 5: Solve for x
    x = 6,092,302,591.30/89,629.05
  6. Step 6: Final answer
    x = 67,972.41

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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.