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Finding the Fourth Proportional to 64,711.66, 97,068.03 and 17,968.18

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Solution

The fourth proportional to 64,711.66, 97,068.03 and 17,968.18 is: 26,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,711.66 : 97,068.03 = 17,968.18 : x
  2. Step 2: Convert to fraction form
    64,711.66/97,068.03 = 17,968.18/x
  3. Step 3: Cross multiply
    64,711.66x = 97,068.03 × 17,968.18
  4. Step 4: Simplify right side
    64,711.66x = 1,744,135,835.29
  5. Step 5: Solve for x
    x = 1,744,135,835.29/64,711.66
  6. Step 6: Final answer
    x = 26,952.42

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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.