Home / 54,506.44-81,782.34-28,217.08

Finding the Fourth Proportional to 54,506.44, 81,782.34 and 28,217.08

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Solution

The fourth proportional to 54,506.44, 81,782.34 and 28,217.08 is: 42,337.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,506.44 : 81,782.34 = 28,217.08 : x
  2. Step 2: Convert to fraction form
    54,506.44/81,782.34 = 28,217.08/x
  3. Step 3: Cross multiply
    54,506.44x = 81,782.34 × 28,217.08
  4. Step 4: Simplify right side
    54,506.44x = 2,307,658,830.37
  5. Step 5: Solve for x
    x = 2,307,658,830.37/54,506.44
  6. Step 6: Final answer
    x = 42,337.36

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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.