Home / 54,782.22-75,599.48-29,631.72

Finding the Fourth Proportional to 54,782.22, 75,599.48 and 29,631.72

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Solution

The fourth proportional to 54,782.22, 75,599.48 and 29,631.72 is: 40,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,782.22 : 75,599.48 = 29,631.72 : x
  2. Step 2: Convert to fraction form
    54,782.22/75,599.48 = 29,631.72/x
  3. Step 3: Cross multiply
    54,782.22x = 75,599.48 × 29,631.72
  4. Step 4: Simplify right side
    54,782.22x = 2,240,142,623.51
  5. Step 5: Solve for x
    x = 2,240,142,623.51/54,782.22
  6. Step 6: Final answer
    x = 40,891.78

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Why These Related Problems?

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