Home / 108,604.14-149,877.90-63,311.34

Finding the Fourth Proportional to 108,604.14, 149,877.90 and 63,311.34

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Solution

The fourth proportional to 108,604.14, 149,877.90 and 63,311.34 is: 87,372.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,604.14 : 149,877.90 = 63,311.34 : x
  2. Step 2: Convert to fraction form
    108,604.14/149,877.90 = 63,311.34/x
  3. Step 3: Cross multiply
    108,604.14x = 149,877.90 × 63,311.34
  4. Step 4: Simplify right side
    108,604.14x = 9,488,970,685.39
  5. Step 5: Solve for x
    x = 9,488,970,685.39/108,604.14
  6. Step 6: Final answer
    x = 87,372.09

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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.