Home / 74,189.08-111,192.33-42,195.01

Finding the Fourth Proportional to 74,189.08, 111,192.33 and 42,195.01

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Solution

The fourth proportional to 74,189.08, 111,192.33 and 42,195.01 is: 63,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,189.08 : 111,192.33 = 42,195.01 : x
  2. Step 2: Convert to fraction form
    74,189.08/111,192.33 = 42,195.01/x
  3. Step 3: Cross multiply
    74,189.08x = 111,192.33 × 42,195.01
  4. Step 4: Simplify right side
    74,189.08x = 4,691,761,327.66
  5. Step 5: Solve for x
    x = 4,691,761,327.66/74,189.08
  6. Step 6: Final answer
    x = 63,240.59

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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.