Home / 89,636.46-134,423.36-26,439.80

Finding the Fourth Proportional to 89,636.46, 134,423.36 and 26,439.80

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Solution

The fourth proportional to 89,636.46, 134,423.36 and 26,439.80 is: 39,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,636.46 : 134,423.36 = 26,439.80 : x
  2. Step 2: Convert to fraction form
    89,636.46/134,423.36 = 26,439.80/x
  3. Step 3: Cross multiply
    89,636.46x = 134,423.36 × 26,439.80
  4. Step 4: Simplify right side
    89,636.46x = 3,554,127,325.31
  5. Step 5: Solve for x
    x = 3,554,127,325.31/89,636.46
  6. Step 6: Final answer
    x = 39,650.47

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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.