Home / 68,022.65-102,068.54-30,575.18

Finding the Fourth Proportional to 68,022.65, 102,068.54 and 30,575.18

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Solution

The fourth proportional to 68,022.65, 102,068.54 and 30,575.18 is: 45,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,022.65 : 102,068.54 = 30,575.18 : x
  2. Step 2: Convert to fraction form
    68,022.65/102,068.54 = 30,575.18/x
  3. Step 3: Cross multiply
    68,022.65x = 102,068.54 × 30,575.18
  4. Step 4: Simplify right side
    68,022.65x = 3,120,763,319.62
  5. Step 5: Solve for x
    x = 3,120,763,319.62/68,022.65
  6. Step 6: Final answer
    x = 45,878.30

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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.