Home / 54,869.55-82,307.40-15,423.60

Finding the Fourth Proportional to 54,869.55, 82,307.40 and 15,423.60

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Solution

The fourth proportional to 54,869.55, 82,307.40 and 15,423.60 is: 23,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,869.55 : 82,307.40 = 15,423.60 : x
  2. Step 2: Convert to fraction form
    54,869.55/82,307.40 = 15,423.60/x
  3. Step 3: Cross multiply
    54,869.55x = 82,307.40 × 15,423.60
  4. Step 4: Simplify right side
    54,869.55x = 1,269,476,414.64
  5. Step 5: Solve for x
    x = 1,269,476,414.64/54,869.55
  6. Step 6: Final answer
    x = 23,136.26

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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.