Home / 45,696.91-62,921.54-39,999.77

Finding the Fourth Proportional to 45,696.91, 62,921.54 and 39,999.77

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Solution

The fourth proportional to 45,696.91, 62,921.54 and 39,999.77 is: 55,076.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,696.91 : 62,921.54 = 39,999.77 : x
  2. Step 2: Convert to fraction form
    45,696.91/62,921.54 = 39,999.77/x
  3. Step 3: Cross multiply
    45,696.91x = 62,921.54 × 39,999.77
  4. Step 4: Simplify right side
    45,696.91x = 2,516,846,928.05
  5. Step 5: Solve for x
    x = 2,516,846,928.05/45,696.91
  6. Step 6: Final answer
    x = 55,076.97

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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.