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Finding the Fourth Proportional to 64,117.84, 96,164.66 and 17,364.56

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Solution

The fourth proportional to 64,117.84, 96,164.66 and 17,364.56 is: 26,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,117.84 : 96,164.66 = 17,364.56 : x
  2. Step 2: Convert to fraction form
    64,117.84/96,164.66 = 17,364.56/x
  3. Step 3: Cross multiply
    64,117.84x = 96,164.66 × 17,364.56
  4. Step 4: Simplify right side
    64,117.84x = 1,669,857,008.45
  5. Step 5: Solve for x
    x = 1,669,857,008.45/64,117.84
  6. Step 6: Final answer
    x = 26,043.56

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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.