Home / 105,917.81-158,876.58-27,032.04

Finding the Fourth Proportional to 105,917.81, 158,876.58 and 27,032.04

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Solution

The fourth proportional to 105,917.81, 158,876.58 and 27,032.04 is: 40,548.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,917.81 : 158,876.58 = 27,032.04 : x
  2. Step 2: Convert to fraction form
    105,917.81/158,876.58 = 27,032.04/x
  3. Step 3: Cross multiply
    105,917.81x = 158,876.58 × 27,032.04
  4. Step 4: Simplify right side
    105,917.81x = 4,294,758,065.62
  5. Step 5: Solve for x
    x = 4,294,758,065.62/105,917.81
  6. Step 6: Final answer
    x = 40,548.03

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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.