Home / 89,580.87-134,376.03-23,021.45

Finding the Fourth Proportional to 89,580.87, 134,376.03 and 23,021.45

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Solution

The fourth proportional to 89,580.87, 134,376.03 and 23,021.45 is: 34,533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,580.87 : 134,376.03 = 23,021.45 : x
  2. Step 2: Convert to fraction form
    89,580.87/134,376.03 = 23,021.45/x
  3. Step 3: Cross multiply
    89,580.87x = 134,376.03 × 23,021.45
  4. Step 4: Simplify right side
    89,580.87x = 3,093,530,887.87
  5. Step 5: Solve for x
    x = 3,093,530,887.87/89,580.87
  6. Step 6: Final answer
    x = 34,533.39

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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.