Home / 81,625.96-122,322.30-46,493.08

Finding the Fourth Proportional to 81,625.96, 122,322.30 and 46,493.08

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Solution

The fourth proportional to 81,625.96, 122,322.30 and 46,493.08 is: 69,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,625.96 : 122,322.30 = 46,493.08 : x
  2. Step 2: Convert to fraction form
    81,625.96/122,322.30 = 46,493.08/x
  3. Step 3: Cross multiply
    81,625.96x = 122,322.30 × 46,493.08
  4. Step 4: Simplify right side
    81,625.96x = 5,687,140,479.68
  5. Step 5: Solve for x
    x = 5,687,140,479.68/81,625.96
  6. Step 6: Final answer
    x = 69,673.18

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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.