Home / 64,109.62-96,167.40-19,738.36

Finding the Fourth Proportional to 64,109.62, 96,167.40 and 19,738.36

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Solution

The fourth proportional to 64,109.62, 96,167.40 and 19,738.36 is: 29,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,109.62 : 96,167.40 = 19,738.36 : x
  2. Step 2: Convert to fraction form
    64,109.62/96,167.40 = 19,738.36/x
  3. Step 3: Cross multiply
    64,109.62x = 96,167.40 × 19,738.36
  4. Step 4: Simplify right side
    64,109.62x = 1,898,186,761.46
  5. Step 5: Solve for x
    x = 1,898,186,761.46/64,109.62
  6. Step 6: Final answer
    x = 29,608.45

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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.