Home / 74,511.46-102,826.51-40,520.27

Finding the Fourth Proportional to 74,511.46, 102,826.51 and 40,520.27

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Solution

The fourth proportional to 74,511.46, 102,826.51 and 40,520.27 is: 55,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,511.46 : 102,826.51 = 40,520.27 : x
  2. Step 2: Convert to fraction form
    74,511.46/102,826.51 = 40,520.27/x
  3. Step 3: Cross multiply
    74,511.46x = 102,826.51 × 40,520.27
  4. Step 4: Simplify right side
    74,511.46x = 4,166,558,305.70
  5. Step 5: Solve for x
    x = 4,166,558,305.70/74,511.46
  6. Step 6: Final answer
    x = 55,918.35

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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.