Home / 54,325.60-81,536.40-32,111.20

Finding the Fourth Proportional to 54,325.60, 81,536.40 and 32,111.20

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Solution

The fourth proportional to 54,325.60, 81,536.40 and 32,111.20 is: 48,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,325.60 : 81,536.40 = 32,111.20 : x
  2. Step 2: Convert to fraction form
    54,325.60/81,536.40 = 32,111.20/x
  3. Step 3: Cross multiply
    54,325.60x = 81,536.40 × 32,111.20
  4. Step 4: Simplify right side
    54,325.60x = 2,618,231,647.68
  5. Step 5: Solve for x
    x = 2,618,231,647.68/54,325.60
  6. Step 6: Final answer
    x = 48,195.17

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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.