Home / 64,206.12-96,319.53-19,822.47

Finding the Fourth Proportional to 64,206.12, 96,319.53 and 19,822.47

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Solution

The fourth proportional to 64,206.12, 96,319.53 and 19,822.47 is: 29,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,206.12 : 96,319.53 = 19,822.47 : x
  2. Step 2: Convert to fraction form
    64,206.12/96,319.53 = 19,822.47/x
  3. Step 3: Cross multiply
    64,206.12x = 96,319.53 × 19,822.47
  4. Step 4: Simplify right side
    64,206.12x = 1,909,291,174.44
  5. Step 5: Solve for x
    x = 1,909,291,174.44/64,206.12
  6. Step 6: Final answer
    x = 29,736.90

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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.