Home / 101,857.22-140,560.27-56,535.09

Finding the Fourth Proportional to 101,857.22, 140,560.27 and 56,535.09

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Solution

The fourth proportional to 101,857.22, 140,560.27 and 56,535.09 is: 78,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,857.22 : 140,560.27 = 56,535.09 : x
  2. Step 2: Convert to fraction form
    101,857.22/140,560.27 = 56,535.09/x
  3. Step 3: Cross multiply
    101,857.22x = 140,560.27 × 56,535.09
  4. Step 4: Simplify right side
    101,857.22x = 7,946,587,514.87
  5. Step 5: Solve for x
    x = 7,946,587,514.87/101,857.22
  6. Step 6: Final answer
    x = 78,016.93

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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.