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Finding the Fourth Proportional to 64,119.98, 96,179.98 and 17,371.64

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Solution

The fourth proportional to 64,119.98, 96,179.98 and 17,371.64 is: 26,057.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,119.98 : 96,179.98 = 17,371.64 : x
  2. Step 2: Convert to fraction form
    64,119.98/96,179.98 = 17,371.64/x
  3. Step 3: Cross multiply
    64,119.98x = 96,179.98 × 17,371.64
  4. Step 4: Simplify right side
    64,119.98x = 1,670,803,987.77
  5. Step 5: Solve for x
    x = 1,670,803,987.77/64,119.98
  6. Step 6: Final answer
    x = 26,057.46

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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.