Home / 74,126.60-111,200.72-21,529.24

Finding the Fourth Proportional to 74,126.60, 111,200.72 and 21,529.24

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Solution

The fourth proportional to 74,126.60, 111,200.72 and 21,529.24 is: 32,297.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,126.60 : 111,200.72 = 21,529.24 : x
  2. Step 2: Convert to fraction form
    74,126.60/111,200.72 = 21,529.24/x
  3. Step 3: Cross multiply
    74,126.60x = 111,200.72 × 21,529.24
  4. Step 4: Simplify right side
    74,126.60x = 2,394,066,989.05
  5. Step 5: Solve for x
    x = 2,394,066,989.05/74,126.60
  6. Step 6: Final answer
    x = 32,297.00

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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.