Home / 124,631.44-186,974.09-40,399.94

Finding the Fourth Proportional to 124,631.44, 186,974.09 and 40,399.94

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Solution

The fourth proportional to 124,631.44, 186,974.09 and 40,399.94 is: 60,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,631.44 : 186,974.09 = 40,399.94 : x
  2. Step 2: Convert to fraction form
    124,631.44/186,974.09 = 40,399.94/x
  3. Step 3: Cross multiply
    124,631.44x = 186,974.09 × 40,399.94
  4. Step 4: Simplify right side
    124,631.44x = 7,553,742,017.55
  5. Step 5: Solve for x
    x = 7,553,742,017.55/124,631.44
  6. Step 6: Final answer
    x = 60,608.64

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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.