Home / 57,266.24-85,878.78-19,816.14

Finding the Fourth Proportional to 57,266.24, 85,878.78 and 19,816.14

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Solution

The fourth proportional to 57,266.24, 85,878.78 and 19,816.14 is: 29,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,266.24 : 85,878.78 = 19,816.14 : x
  2. Step 2: Convert to fraction form
    57,266.24/85,878.78 = 19,816.14/x
  3. Step 3: Cross multiply
    57,266.24x = 85,878.78 × 19,816.14
  4. Step 4: Simplify right side
    57,266.24x = 1,701,786,286.71
  5. Step 5: Solve for x
    x = 1,701,786,286.71/57,266.24
  6. Step 6: Final answer
    x = 29,717.09

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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.