Home / 107,411.27-161,133.30-54,792.05

Finding the Fourth Proportional to 107,411.27, 161,133.30 and 54,792.05

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Solution

The fourth proportional to 107,411.27, 161,133.30 and 54,792.05 is: 82,196.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,411.27 : 161,133.30 = 54,792.05 : x
  2. Step 2: Convert to fraction form
    107,411.27/161,133.30 = 54,792.05/x
  3. Step 3: Cross multiply
    107,411.27x = 161,133.30 × 54,792.05
  4. Step 4: Simplify right side
    107,411.27x = 8,828,823,024.60
  5. Step 5: Solve for x
    x = 8,828,823,024.60/107,411.27
  6. Step 6: Final answer
    x = 82,196.43

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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.