Home / 45,690.33-68,500.77-31,612.94

Finding the Fourth Proportional to 45,690.33, 68,500.77 and 31,612.94

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Solution

The fourth proportional to 45,690.33, 68,500.77 and 31,612.94 is: 47,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,690.33 : 68,500.77 = 31,612.94 : x
  2. Step 2: Convert to fraction form
    45,690.33/68,500.77 = 31,612.94/x
  3. Step 3: Cross multiply
    45,690.33x = 68,500.77 × 31,612.94
  4. Step 4: Simplify right side
    45,690.33x = 2,165,510,731.96
  5. Step 5: Solve for x
    x = 2,165,510,731.96/45,690.33
  6. Step 6: Final answer
    x = 47,395.38

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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.