Home / 89,880.20-134,825.37-23,318.56

Finding the Fourth Proportional to 89,880.20, 134,825.37 and 23,318.56

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Solution

The fourth proportional to 89,880.20, 134,825.37 and 23,318.56 is: 34,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,880.20 : 134,825.37 = 23,318.56 : x
  2. Step 2: Convert to fraction form
    89,880.20/134,825.37 = 23,318.56/x
  3. Step 3: Cross multiply
    89,880.20x = 134,825.37 × 23,318.56
  4. Step 4: Simplify right side
    89,880.20x = 3,143,933,479.87
  5. Step 5: Solve for x
    x = 3,143,933,479.87/89,880.20
  6. Step 6: Final answer
    x = 34,979.16

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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.