Home / 54,166.45-74,747.48-31,506.09

Finding the Fourth Proportional to 54,166.45, 74,747.48 and 31,506.09

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Solution

The fourth proportional to 54,166.45, 74,747.48 and 31,506.09 is: 43,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,166.45 : 74,747.48 = 31,506.09 : x
  2. Step 2: Convert to fraction form
    54,166.45/74,747.48 = 31,506.09/x
  3. Step 3: Cross multiply
    54,166.45x = 74,747.48 × 31,506.09
  4. Step 4: Simplify right side
    54,166.45x = 2,355,000,458.42
  5. Step 5: Solve for x
    x = 2,355,000,458.42/54,166.45
  6. Step 6: Final answer
    x = 43,477.11

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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.