Home / 72,932.81-100,656.68-41,111.96

Finding the Fourth Proportional to 72,932.81, 100,656.68 and 41,111.96

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Solution

The fourth proportional to 72,932.81, 100,656.68 and 41,111.96 is: 56,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,932.81 : 100,656.68 = 41,111.96 : x
  2. Step 2: Convert to fraction form
    72,932.81/100,656.68 = 41,111.96/x
  3. Step 3: Cross multiply
    72,932.81x = 100,656.68 × 41,111.96
  4. Step 4: Simplify right side
    72,932.81x = 4,138,192,693.05
  5. Step 5: Solve for x
    x = 4,138,192,693.05/72,932.81
  6. Step 6: Final answer
    x = 56,739.80

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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.