Home / 68,346.69-102,508.21-30,898.06

Finding the Fourth Proportional to 68,346.69, 102,508.21 and 30,898.06

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Solution

The fourth proportional to 68,346.69, 102,508.21 and 30,898.06 is: 46,341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,346.69 : 102,508.21 = 30,898.06 : x
  2. Step 2: Convert to fraction form
    68,346.69/102,508.21 = 30,898.06/x
  3. Step 3: Cross multiply
    68,346.69x = 102,508.21 × 30,898.06
  4. Step 4: Simplify right side
    68,346.69x = 3,167,304,605.42
  5. Step 5: Solve for x
    x = 3,167,304,605.42/68,346.69
  6. Step 6: Final answer
    x = 46,341.74

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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.