Home / 85,169.36-127,777.08-32,580.56

Finding the Fourth Proportional to 85,169.36, 127,777.08 and 32,580.56

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Solution

The fourth proportional to 85,169.36, 127,777.08 and 32,580.56 is: 48,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,169.36 : 127,777.08 = 32,580.56 : x
  2. Step 2: Convert to fraction form
    85,169.36/127,777.08 = 32,580.56/x
  3. Step 3: Cross multiply
    85,169.36x = 127,777.08 × 32,580.56
  4. Step 4: Simplify right side
    85,169.36x = 4,163,048,821.56
  5. Step 5: Solve for x
    x = 4,163,048,821.56/85,169.36
  6. Step 6: Final answer
    x = 48,879.65

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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.