Home / 115,448.45-159,317.30-64,462.03

Finding the Fourth Proportional to 115,448.45, 159,317.30 and 64,462.03

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Solution

The fourth proportional to 115,448.45, 159,317.30 and 64,462.03 is: 88,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,448.45 : 159,317.30 = 64,462.03 : x
  2. Step 2: Convert to fraction form
    115,448.45/159,317.30 = 64,462.03/x
  3. Step 3: Cross multiply
    115,448.45x = 159,317.30 × 64,462.03
  4. Step 4: Simplify right side
    115,448.45x = 10,269,916,334.98
  5. Step 5: Solve for x
    x = 10,269,916,334.98/115,448.45
  6. Step 6: Final answer
    x = 88,956.73

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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.