Home / 87,193.29-120,295.73-56,996.06

Finding the Fourth Proportional to 87,193.29, 120,295.73 and 56,996.06

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Solution

The fourth proportional to 87,193.29, 120,295.73 and 56,996.06 is: 78,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,193.29 : 120,295.73 = 56,996.06 : x
  2. Step 2: Convert to fraction form
    87,193.29/120,295.73 = 56,996.06/x
  3. Step 3: Cross multiply
    87,193.29x = 120,295.73 × 56,996.06
  4. Step 4: Simplify right side
    87,193.29x = 6,856,382,185.84
  5. Step 5: Solve for x
    x = 6,856,382,185.84/87,193.29
  6. Step 6: Final answer
    x = 78,634.28

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1.5x scale

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.