Home / 87,195.44-120,333.66-51,386.96

Finding the Fourth Proportional to 87,195.44, 120,333.66 and 51,386.96

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Solution

The fourth proportional to 87,195.44, 120,333.66 and 51,386.96 is: 70,916.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,195.44 : 120,333.66 = 51,386.96 : x
  2. Step 2: Convert to fraction form
    87,195.44/120,333.66 = 51,386.96/x
  3. Step 3: Cross multiply
    87,195.44x = 120,333.66 × 51,386.96
  4. Step 4: Simplify right side
    87,195.44x = 6,183,580,973.07
  5. Step 5: Solve for x
    x = 6,183,580,973.07/87,195.44
  6. Step 6: Final answer
    x = 70,916.33

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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.