Home / 87,472.54-131,194.74-31,302.19

Finding the Fourth Proportional to 87,472.54, 131,194.74 and 31,302.19

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Solution

The fourth proportional to 87,472.54, 131,194.74 and 31,302.19 is: 46,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,472.54 : 131,194.74 = 31,302.19 : x
  2. Step 2: Convert to fraction form
    87,472.54/131,194.74 = 31,302.19/x
  3. Step 3: Cross multiply
    87,472.54x = 131,194.74 × 31,302.19
  4. Step 4: Simplify right side
    87,472.54x = 4,106,682,022.51
  5. Step 5: Solve for x
    x = 4,106,682,022.51/87,472.54
  6. Step 6: Final answer
    x = 46,948.25

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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.