Home / 105,674.41-158,580.30-45,761.38

Finding the Fourth Proportional to 105,674.41, 158,580.30 and 45,761.38

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Solution

The fourth proportional to 105,674.41, 158,580.30 and 45,761.38 is: 68,671.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,674.41 : 158,580.30 = 45,761.38 : x
  2. Step 2: Convert to fraction form
    105,674.41/158,580.30 = 45,761.38/x
  3. Step 3: Cross multiply
    105,674.41x = 158,580.30 × 45,761.38
  4. Step 4: Simplify right side
    105,674.41x = 7,256,852,575.91
  5. Step 5: Solve for x
    x = 7,256,852,575.91/105,674.41
  6. Step 6: Final answer
    x = 68,671.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.