Home / 54,830.16-82,010.84-45,769.12

Finding the Fourth Proportional to 54,830.16, 82,010.84 and 45,769.12

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Solution

The fourth proportional to 54,830.16, 82,010.84 and 45,769.12 is: 68,458.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,830.16 : 82,010.84 = 45,769.12 : x
  2. Step 2: Convert to fraction form
    54,830.16/82,010.84 = 45,769.12/x
  3. Step 3: Cross multiply
    54,830.16x = 82,010.84 × 45,769.12
  4. Step 4: Simplify right side
    54,830.16x = 3,753,563,977.26
  5. Step 5: Solve for x
    x = 3,753,563,977.26/54,830.16
  6. Step 6: Final answer
    x = 68,458.02

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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.