Home / 68,088.14-102,132.23-18,168.42

Finding the Fourth Proportional to 68,088.14, 102,132.23 and 18,168.42

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Solution

The fourth proportional to 68,088.14, 102,132.23 and 18,168.42 is: 27,252.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,088.14 : 102,132.23 = 18,168.42 : x
  2. Step 2: Convert to fraction form
    68,088.14/102,132.23 = 18,168.42/x
  3. Step 3: Cross multiply
    68,088.14x = 102,132.23 × 18,168.42
  4. Step 4: Simplify right side
    68,088.14x = 1,855,580,967.84
  5. Step 5: Solve for x
    x = 1,855,580,967.84/68,088.14
  6. Step 6: Final answer
    x = 27,252.63

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1.5x scale

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.