Home / 54,176.10-81,266.43-19,115.94

Finding the Fourth Proportional to 54,176.10, 81,266.43 and 19,115.94

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Solution

The fourth proportional to 54,176.10, 81,266.43 and 19,115.94 is: 28,674.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,176.10 : 81,266.43 = 19,115.94 : x
  2. Step 2: Convert to fraction form
    54,176.10/81,266.43 = 19,115.94/x
  3. Step 3: Cross multiply
    54,176.10x = 81,266.43 × 19,115.94
  4. Step 4: Simplify right side
    54,176.10x = 1,553,484,199.89
  5. Step 5: Solve for x
    x = 1,553,484,199.89/54,176.10
  6. Step 6: Final answer
    x = 28,674.71

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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.