Home / 63,022.78-94,554.20-18,649.75

Finding the Fourth Proportional to 63,022.78, 94,554.20 and 18,649.75

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Solution

The fourth proportional to 63,022.78, 94,554.20 and 18,649.75 is: 27,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,022.78 : 94,554.20 = 18,649.75 : x
  2. Step 2: Convert to fraction form
    63,022.78/94,554.20 = 18,649.75/x
  3. Step 3: Cross multiply
    63,022.78x = 94,554.20 × 18,649.75
  4. Step 4: Simplify right side
    63,022.78x = 1,763,412,191.45
  5. Step 5: Solve for x
    x = 1,763,412,191.45/63,022.78
  6. Step 6: Final answer
    x = 27,980.55

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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.