Home / 73,167.16-109,745.26-26,420.03

Finding the Fourth Proportional to 73,167.16, 109,745.26 and 26,420.03

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Solution

The fourth proportional to 73,167.16, 109,745.26 and 26,420.03 is: 39,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,167.16 : 109,745.26 = 26,420.03 : x
  2. Step 2: Convert to fraction form
    73,167.16/109,745.26 = 26,420.03/x
  3. Step 3: Cross multiply
    73,167.16x = 109,745.26 × 26,420.03
  4. Step 4: Simplify right side
    73,167.16x = 2,899,473,061.56
  5. Step 5: Solve for x
    x = 2,899,473,061.56/73,167.16
  6. Step 6: Final answer
    x = 39,628.07

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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.