Home / 68,622.51-102,923.17-18,706.63

Finding the Fourth Proportional to 68,622.51, 102,923.17 and 18,706.63

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Solution

The fourth proportional to 68,622.51, 102,923.17 and 18,706.63 is: 28,057.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,622.51 : 102,923.17 = 18,706.63 : x
  2. Step 2: Convert to fraction form
    68,622.51/102,923.17 = 18,706.63/x
  3. Step 3: Cross multiply
    68,622.51x = 102,923.17 × 18,706.63
  4. Step 4: Simplify right side
    68,622.51x = 1,925,345,653.75
  5. Step 5: Solve for x
    x = 1,925,345,653.75/68,622.51
  6. Step 6: Final answer
    x = 28,057.06

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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.