Home / 74,450.76-111,582.21-30,052.80

Finding the Fourth Proportional to 74,450.76, 111,582.21 and 30,052.80

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Solution

The fourth proportional to 74,450.76, 111,582.21 and 30,052.80 is: 45,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,450.76 : 111,582.21 = 30,052.80 : x
  2. Step 2: Convert to fraction form
    74,450.76/111,582.21 = 30,052.80/x
  3. Step 3: Cross multiply
    74,450.76x = 111,582.21 × 30,052.80
  4. Step 4: Simplify right side
    74,450.76x = 3,353,357,840.69
  5. Step 5: Solve for x
    x = 3,353,357,840.69/74,450.76
  6. Step 6: Final answer
    x = 45,041.28

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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.