Home / 99,898.22-137,857.20-54,576.44

Finding the Fourth Proportional to 99,898.22, 137,857.20 and 54,576.44

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Solution

The fourth proportional to 99,898.22, 137,857.20 and 54,576.44 is: 75,314.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,898.22 : 137,857.20 = 54,576.44 : x
  2. Step 2: Convert to fraction form
    99,898.22/137,857.20 = 54,576.44/x
  3. Step 3: Cross multiply
    99,898.22x = 137,857.20 × 54,576.44
  4. Step 4: Simplify right side
    99,898.22x = 7,523,755,204.37
  5. Step 5: Solve for x
    x = 7,523,755,204.37/99,898.22
  6. Step 6: Final answer
    x = 75,314.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.