Home / 108,111.46-162,161.12-29,219.90

Finding the Fourth Proportional to 108,111.46, 162,161.12 and 29,219.90

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Solution

The fourth proportional to 108,111.46, 162,161.12 and 29,219.90 is: 43,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,111.46 : 162,161.12 = 29,219.90 : x
  2. Step 2: Convert to fraction form
    108,111.46/162,161.12 = 29,219.90/x
  3. Step 3: Cross multiply
    108,111.46x = 162,161.12 × 29,219.90
  4. Step 4: Simplify right side
    108,111.46x = 4,738,331,710.29
  5. Step 5: Solve for x
    x = 4,738,331,710.29/108,111.46
  6. Step 6: Final answer
    x = 43,828.21

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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.