Home / 54,416.21-81,449.35-36,788.99

Finding the Fourth Proportional to 54,416.21, 81,449.35 and 36,788.99

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Solution

The fourth proportional to 54,416.21, 81,449.35 and 36,788.99 is: 55,065.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,416.21 : 81,449.35 = 36,788.99 : x
  2. Step 2: Convert to fraction form
    54,416.21/81,449.35 = 36,788.99/x
  3. Step 3: Cross multiply
    54,416.21x = 81,449.35 × 36,788.99
  4. Step 4: Simplify right side
    54,416.21x = 2,996,438,823.44
  5. Step 5: Solve for x
    x = 2,996,438,823.44/54,416.21
  6. Step 6: Final answer
    x = 55,065.19

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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.