Home / 74,190.66-111,291.13-29,817.45

Finding the Fourth Proportional to 74,190.66, 111,291.13 and 29,817.45

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Solution

The fourth proportional to 74,190.66, 111,291.13 and 29,817.45 is: 44,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,190.66 : 111,291.13 = 29,817.45 : x
  2. Step 2: Convert to fraction form
    74,190.66/111,291.13 = 29,817.45/x
  3. Step 3: Cross multiply
    74,190.66x = 111,291.13 × 29,817.45
  4. Step 4: Simplify right side
    74,190.66x = 3,318,417,629.67
  5. Step 5: Solve for x
    x = 3,318,417,629.67/74,190.66
  6. Step 6: Final answer
    x = 44,728.24

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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.