Home / 89,122.56-122,977.46-53,299.50

Finding the Fourth Proportional to 89,122.56, 122,977.46 and 53,299.50

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Solution

The fourth proportional to 89,122.56, 122,977.46 and 53,299.50 is: 73,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,122.56 : 122,977.46 = 53,299.50 : x
  2. Step 2: Convert to fraction form
    89,122.56/122,977.46 = 53,299.50/x
  3. Step 3: Cross multiply
    89,122.56x = 122,977.46 × 53,299.50
  4. Step 4: Simplify right side
    89,122.56x = 6,554,637,129.27
  5. Step 5: Solve for x
    x = 6,554,637,129.27/89,122.56
  6. Step 6: Final answer
    x = 73,546.33

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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.