Home / 74,190.79-111,291.32-29,817.58

Finding the Fourth Proportional to 74,190.79, 111,291.32 and 29,817.58

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Solution

The fourth proportional to 74,190.79, 111,291.32 and 29,817.58 is: 44,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,190.79 : 111,291.32 = 29,817.58 : x
  2. Step 2: Convert to fraction form
    74,190.79/111,291.32 = 29,817.58/x
  3. Step 3: Cross multiply
    74,190.79x = 111,291.32 × 29,817.58
  4. Step 4: Simplify right side
    74,190.79x = 3,318,437,131.86
  5. Step 5: Solve for x
    x = 3,318,437,131.86/74,190.79
  6. Step 6: Final answer
    x = 44,728.43

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1.5x scale

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.