Home / 54,401.16-81,525.12-43,258.38

Finding the Fourth Proportional to 54,401.16, 81,525.12 and 43,258.38

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Solution

The fourth proportional to 54,401.16, 81,525.12 and 43,258.38 is: 64,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.16 : 81,525.12 = 43,258.38 : x
  2. Step 2: Convert to fraction form
    54,401.16/81,525.12 = 43,258.38/x
  3. Step 3: Cross multiply
    54,401.16x = 81,525.12 × 43,258.38
  4. Step 4: Simplify right side
    54,401.16x = 3,526,644,620.51
  5. Step 5: Solve for x
    x = 3,526,644,620.51/54,401.16
  6. Step 6: Final answer
    x = 64,826.64

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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.