Home / 87,333.36-131,027.71-31,172.22

Finding the Fourth Proportional to 87,333.36, 131,027.71 and 31,172.22

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Solution

The fourth proportional to 87,333.36, 131,027.71 and 31,172.22 is: 46,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,333.36 : 131,027.71 = 31,172.22 : x
  2. Step 2: Convert to fraction form
    87,333.36/131,027.71 = 31,172.22/x
  3. Step 3: Cross multiply
    87,333.36x = 131,027.71 × 31,172.22
  4. Step 4: Simplify right side
    87,333.36x = 4,084,424,602.22
  5. Step 5: Solve for x
    x = 4,084,424,602.22/87,333.36
  6. Step 6: Final answer
    x = 46,768.21

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1.5x scale

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.