Home / 56,857.86-85,305.66-17,415.36

Finding the Fourth Proportional to 56,857.86, 85,305.66 and 17,415.36

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Solution

The fourth proportional to 56,857.86, 85,305.66 and 17,415.36 is: 26,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,857.86 : 85,305.66 = 17,415.36 : x
  2. Step 2: Convert to fraction form
    56,857.86/85,305.66 = 17,415.36/x
  3. Step 3: Cross multiply
    56,857.86x = 85,305.66 × 17,415.36
  4. Step 4: Simplify right side
    56,857.86x = 1,485,628,778.94
  5. Step 5: Solve for x
    x = 1,485,628,778.94/56,857.86
  6. Step 6: Final answer
    x = 26,128.82

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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.