Home / 89,122.62-122,977.51-53,299.56

Finding the Fourth Proportional to 89,122.62, 122,977.51 and 53,299.56

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Solution

The fourth proportional to 89,122.62, 122,977.51 and 53,299.56 is: 73,546.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,122.62 : 122,977.51 = 53,299.56 : x
  2. Step 2: Convert to fraction form
    89,122.62/122,977.51 = 53,299.56/x
  3. Step 3: Cross multiply
    89,122.62x = 122,977.51 × 53,299.56
  4. Step 4: Simplify right side
    89,122.62x = 6,554,647,172.90
  5. Step 5: Solve for x
    x = 6,554,647,172.90/89,122.62
  6. Step 6: Final answer
    x = 73,546.39

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1.5x scale

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.