Home / 68,596.04-102,906.86-31,158.72

Finding the Fourth Proportional to 68,596.04, 102,906.86 and 31,158.72

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Solution

The fourth proportional to 68,596.04, 102,906.86 and 31,158.72 is: 46,743.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,596.04 : 102,906.86 = 31,158.72 : x
  2. Step 2: Convert to fraction form
    68,596.04/102,906.86 = 31,158.72/x
  3. Step 3: Cross multiply
    68,596.04x = 102,906.86 × 31,158.72
  4. Step 4: Simplify right side
    68,596.04x = 3,206,445,881.03
  5. Step 5: Solve for x
    x = 3,206,445,881.03/68,596.04
  6. Step 6: Final answer
    x = 46,743.89

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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.