Home / 64,896.12-97,309.44-19,909.56

Finding the Fourth Proportional to 64,896.12, 97,309.44 and 19,909.56

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Solution

The fourth proportional to 64,896.12, 97,309.44 and 19,909.56 is: 29,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,896.12 : 97,309.44 = 19,909.56 : x
  2. Step 2: Convert to fraction form
    64,896.12/97,309.44 = 19,909.56/x
  3. Step 3: Cross multiply
    64,896.12x = 97,309.44 × 19,909.56
  4. Step 4: Simplify right side
    64,896.12x = 1,937,388,134.25
  5. Step 5: Solve for x
    x = 1,937,388,134.25/64,896.12
  6. Step 6: Final answer
    x = 29,853.68

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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.