Home / 89,636.54-134,423.46-26,439.90

Finding the Fourth Proportional to 89,636.54, 134,423.46 and 26,439.90

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Solution

The fourth proportional to 89,636.54, 134,423.46 and 26,439.90 is: 39,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,636.54 : 134,423.46 = 26,439.90 : x
  2. Step 2: Convert to fraction form
    89,636.54/134,423.46 = 26,439.90/x
  3. Step 3: Cross multiply
    89,636.54x = 134,423.46 × 26,439.90
  4. Step 4: Simplify right side
    89,636.54x = 3,554,142,840.05
  5. Step 5: Solve for x
    x = 3,554,142,840.05/89,636.54
  6. Step 6: Final answer
    x = 39,650.60

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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.