Home / 42,109.04-63,166.26-17,135.46

Finding the Fourth Proportional to 42,109.04, 63,166.26 and 17,135.46

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Solution

The fourth proportional to 42,109.04, 63,166.26 and 17,135.46 is: 25,704.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,109.04 : 63,166.26 = 17,135.46 : x
  2. Step 2: Convert to fraction form
    42,109.04/63,166.26 = 17,135.46/x
  3. Step 3: Cross multiply
    42,109.04x = 63,166.26 × 17,135.46
  4. Step 4: Simplify right side
    42,109.04x = 1,082,382,921.58
  5. Step 5: Solve for x
    x = 1,082,382,921.58/42,109.04
  6. Step 6: Final answer
    x = 25,704.29

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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.