Home / 74,252.08-102,467.72-40,718

Finding the Fourth Proportional to 74,252.08, 102,467.72 and 40,718

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Solution

The fourth proportional to 74,252.08, 102,467.72 and 40,718 is: 56,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,252.08 : 102,467.72 = 40,718 : x
  2. Step 2: Convert to fraction form
    74,252.08/102,467.72 = 40,718/x
  3. Step 3: Cross multiply
    74,252.08x = 102,467.72 × 40,718
  4. Step 4: Simplify right side
    74,252.08x = 4,172,280,622.96
  5. Step 5: Solve for x
    x = 4,172,280,622.96/74,252.08
  6. Step 6: Final answer
    x = 56,190.76

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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.