Home / 45,930.96-68,808.78-31,114.44

Finding the Fourth Proportional to 45,930.96, 68,808.78 and 31,114.44

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Solution

The fourth proportional to 45,930.96, 68,808.78 and 31,114.44 is: 46,612.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,930.96 : 68,808.78 = 31,114.44 : x
  2. Step 2: Convert to fraction form
    45,930.96/68,808.78 = 31,114.44/x
  3. Step 3: Cross multiply
    45,930.96x = 68,808.78 × 31,114.44
  4. Step 4: Simplify right side
    45,930.96x = 2,140,946,656.78
  5. Step 5: Solve for x
    x = 2,140,946,656.78/45,930.96
  6. Step 6: Final answer
    x = 46,612.28

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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.