Home / 68,349.08-102,488.51-30,888.86

Finding the Fourth Proportional to 68,349.08, 102,488.51 and 30,888.86

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Solution

The fourth proportional to 68,349.08, 102,488.51 and 30,888.86 is: 46,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,349.08 : 102,488.51 = 30,888.86 : x
  2. Step 2: Convert to fraction form
    68,349.08/102,488.51 = 30,888.86/x
  3. Step 3: Cross multiply
    68,349.08x = 102,488.51 × 30,888.86
  4. Step 4: Simplify right side
    68,349.08x = 3,165,753,237.00
  5. Step 5: Solve for x
    x = 3,165,753,237.00/68,349.08
  6. Step 6: Final answer
    x = 46,317.42

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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.