Home / 85,186.86-117,558.06-51,196.02

Finding the Fourth Proportional to 85,186.86, 117,558.06 and 51,196.02

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Solution

The fourth proportional to 85,186.86, 117,558.06 and 51,196.02 is: 70,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,186.86 : 117,558.06 = 51,196.02 : x
  2. Step 2: Convert to fraction form
    85,186.86/117,558.06 = 51,196.02/x
  3. Step 3: Cross multiply
    85,186.86x = 117,558.06 × 51,196.02
  4. Step 4: Simplify right side
    85,186.86x = 6,018,504,790.92
  5. Step 5: Solve for x
    x = 6,018,504,790.92/85,186.86
  6. Step 6: Final answer
    x = 70,650.62

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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.