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Finding the Fourth Proportional to 67,553.51, 101,382.18 and 64,084.68

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Solution

The fourth proportional to 67,553.51, 101,382.18 and 64,084.68 is: 96,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,553.51 : 101,382.18 = 64,084.68 : x
  2. Step 2: Convert to fraction form
    67,553.51/101,382.18 = 64,084.68/x
  3. Step 3: Cross multiply
    67,553.51x = 101,382.18 × 64,084.68
  4. Step 4: Simplify right side
    67,553.51x = 6,497,044,563.00
  5. Step 5: Solve for x
    x = 6,497,044,563.00/67,553.51
  6. Step 6: Final answer
    x = 96,176.28

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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.