Home / 49,200.80-67,876.68-31,305.68

Finding the Fourth Proportional to 49,200.80, 67,876.68 and 31,305.68

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Solution

The fourth proportional to 49,200.80, 67,876.68 and 31,305.68 is: 43,188.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,200.80 : 67,876.68 = 31,305.68 : x
  2. Step 2: Convert to fraction form
    49,200.80/67,876.68 = 31,305.68/x
  3. Step 3: Cross multiply
    49,200.80x = 67,876.68 × 31,305.68
  4. Step 4: Simplify right side
    49,200.80x = 2,124,925,623.54
  5. Step 5: Solve for x
    x = 2,124,925,623.54/49,200.80
  6. Step 6: Final answer
    x = 43,188.84

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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.