Home / 53,747.80-80,617.38-18,682.36

Finding the Fourth Proportional to 53,747.80, 80,617.38 and 18,682.36

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Solution

The fourth proportional to 53,747.80, 80,617.38 and 18,682.36 is: 28,022.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,747.80 : 80,617.38 = 18,682.36 : x
  2. Step 2: Convert to fraction form
    53,747.80/80,617.38 = 18,682.36/x
  3. Step 3: Cross multiply
    53,747.80x = 80,617.38 × 18,682.36
  4. Step 4: Simplify right side
    53,747.80x = 1,506,122,915.42
  5. Step 5: Solve for x
    x = 1,506,122,915.42/53,747.80
  6. Step 6: Final answer
    x = 28,022.04

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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.