Home / 49,204.08-67,912.74-31,285.08

Finding the Fourth Proportional to 49,204.08, 67,912.74 and 31,285.08

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Solution

The fourth proportional to 49,204.08, 67,912.74 and 31,285.08 is: 43,180.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,204.08 : 67,912.74 = 31,285.08 : x
  2. Step 2: Convert to fraction form
    49,204.08/67,912.74 = 31,285.08/x
  3. Step 3: Cross multiply
    49,204.08x = 67,912.74 × 31,285.08
  4. Step 4: Simplify right side
    49,204.08x = 2,124,655,503.92
  5. Step 5: Solve for x
    x = 2,124,655,503.92/49,204.08
  6. Step 6: Final answer
    x = 43,180.47

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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.