Home / 88,490.56-132,423.88-55,226.20

Finding the Fourth Proportional to 88,490.56, 132,423.88 and 55,226.20

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Solution

The fourth proportional to 88,490.56, 132,423.88 and 55,226.20 is: 82,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,490.56 : 132,423.88 = 55,226.20 : x
  2. Step 2: Convert to fraction form
    88,490.56/132,423.88 = 55,226.20/x
  3. Step 3: Cross multiply
    88,490.56x = 132,423.88 × 55,226.20
  4. Step 4: Simplify right side
    88,490.56x = 7,313,267,681.66
  5. Step 5: Solve for x
    x = 7,313,267,681.66/88,490.56
  6. Step 6: Final answer
    x = 82,644.61

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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.