Home / 105,577.46-158,273.36-54,869.72

Finding the Fourth Proportional to 105,577.46, 158,273.36 and 54,869.72

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Solution

The fourth proportional to 105,577.46, 158,273.36 and 54,869.72 is: 82,256.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,577.46 : 158,273.36 = 54,869.72 : x
  2. Step 2: Convert to fraction form
    105,577.46/158,273.36 = 54,869.72/x
  3. Step 3: Cross multiply
    105,577.46x = 158,273.36 × 54,869.72
  4. Step 4: Simplify right side
    105,577.46x = 8,684,413,880.94
  5. Step 5: Solve for x
    x = 8,684,413,880.94/105,577.46
  6. Step 6: Final answer
    x = 82,256.33

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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.