Home / 54,862.68-82,294.02-15,423.78

Finding the Fourth Proportional to 54,862.68, 82,294.02 and 15,423.78

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Solution

The fourth proportional to 54,862.68, 82,294.02 and 15,423.78 is: 23,135.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,862.68 : 82,294.02 = 15,423.78 : x
  2. Step 2: Convert to fraction form
    54,862.68/82,294.02 = 15,423.78/x
  3. Step 3: Cross multiply
    54,862.68x = 82,294.02 × 15,423.78
  4. Step 4: Simplify right side
    54,862.68x = 1,269,284,859.80
  5. Step 5: Solve for x
    x = 1,269,284,859.80/54,862.68
  6. Step 6: Final answer
    x = 23,135.67

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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.