Home / 42,114.08-63,193.26-17,172.56

Finding the Fourth Proportional to 42,114.08, 63,193.26 and 17,172.56

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Solution

The fourth proportional to 42,114.08, 63,193.26 and 17,172.56 is: 25,767.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,114.08 : 63,193.26 = 17,172.56 : x
  2. Step 2: Convert to fraction form
    42,114.08/63,193.26 = 17,172.56/x
  3. Step 3: Cross multiply
    42,114.08x = 63,193.26 × 17,172.56
  4. Step 4: Simplify right side
    42,114.08x = 1,085,190,048.95
  5. Step 5: Solve for x
    x = 1,085,190,048.95/42,114.08
  6. Step 6: Final answer
    x = 25,767.87

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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.