Home / 58,742.20-81,022.32-41,486.80

Finding the Fourth Proportional to 58,742.20, 81,022.32 and 41,486.80

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Solution

The fourth proportional to 58,742.20, 81,022.32 and 41,486.80 is: 57,222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,742.20 : 81,022.32 = 41,486.80 : x
  2. Step 2: Convert to fraction form
    58,742.20/81,022.32 = 41,486.80/x
  3. Step 3: Cross multiply
    58,742.20x = 81,022.32 × 41,486.80
  4. Step 4: Simplify right side
    58,742.20x = 3,361,356,785.38
  5. Step 5: Solve for x
    x = 3,361,356,785.38/58,742.20
  6. Step 6: Final answer
    x = 57,222.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.