Home / 98,540.03-147,804.57-45,986.42

Finding the Fourth Proportional to 98,540.03, 147,804.57 and 45,986.42

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Solution

The fourth proportional to 98,540.03, 147,804.57 and 45,986.42 is: 68,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,540.03 : 147,804.57 = 45,986.42 : x
  2. Step 2: Convert to fraction form
    98,540.03/147,804.57 = 45,986.42/x
  3. Step 3: Cross multiply
    98,540.03x = 147,804.57 × 45,986.42
  4. Step 4: Simplify right side
    98,540.03x = 6,797,002,294.92
  5. Step 5: Solve for x
    x = 6,797,002,294.92/98,540.03
  6. Step 6: Final answer
    x = 68,977.07

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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.