Home / 49,472.05-68,278.75-31,324.46

Finding the Fourth Proportional to 49,472.05, 68,278.75 and 31,324.46

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Solution

The fourth proportional to 49,472.05, 68,278.75 and 31,324.46 is: 43,232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,472.05 : 68,278.75 = 31,324.46 : x
  2. Step 2: Convert to fraction form
    49,472.05/68,278.75 = 31,324.46/x
  3. Step 3: Cross multiply
    49,472.05x = 68,278.75 × 31,324.46
  4. Step 4: Simplify right side
    49,472.05x = 2,138,794,670.64
  5. Step 5: Solve for x
    x = 2,138,794,670.64/49,472.05
  6. Step 6: Final answer
    x = 43,232.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.