Home / 108,553.74-149,804.20-66,112.27

Finding the Fourth Proportional to 108,553.74, 149,804.20 and 66,112.27

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Solution

The fourth proportional to 108,553.74, 149,804.20 and 66,112.27 is: 91,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,553.74 : 149,804.20 = 66,112.27 : x
  2. Step 2: Convert to fraction form
    108,553.74/149,804.20 = 66,112.27/x
  3. Step 3: Cross multiply
    108,553.74x = 149,804.20 × 66,112.27
  4. Step 4: Simplify right side
    108,553.74x = 9,903,895,881.11
  5. Step 5: Solve for x
    x = 9,903,895,881.11/108,553.74
  6. Step 6: Final answer
    x = 91,234.96

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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.