Home / 40,106.91-55,323.32-25,761.91

Finding the Fourth Proportional to 40,106.91, 55,323.32 and 25,761.91

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Solution

The fourth proportional to 40,106.91, 55,323.32 and 25,761.91 is: 35,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,106.91 : 55,323.32 = 25,761.91 : x
  2. Step 2: Convert to fraction form
    40,106.91/55,323.32 = 25,761.91/x
  3. Step 3: Cross multiply
    40,106.91x = 55,323.32 × 25,761.91
  4. Step 4: Simplify right side
    40,106.91x = 1,425,234,390.74
  5. Step 5: Solve for x
    x = 1,425,234,390.74/40,106.91
  6. Step 6: Final answer
    x = 35,535.88

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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.