Home / 87,185.08-119,529.29-85,610.44

Finding the Fourth Proportional to 87,185.08, 119,529.29 and 85,610.44

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Solution

The fourth proportional to 87,185.08, 119,529.29 and 85,610.44 is: 117,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,185.08 : 119,529.29 = 85,610.44 : x
  2. Step 2: Convert to fraction form
    87,185.08/119,529.29 = 85,610.44/x
  3. Step 3: Cross multiply
    87,185.08x = 119,529.29 × 85,610.44
  4. Step 4: Simplify right side
    87,185.08x = 10,232,955,109.79
  5. Step 5: Solve for x
    x = 10,232,955,109.79/87,185.08
  6. Step 6: Final answer
    x = 117,370.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.