Home / 74,758.10-112,183.83-30,384.83

Finding the Fourth Proportional to 74,758.10, 112,183.83 and 30,384.83

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Solution

The fourth proportional to 74,758.10, 112,183.83 and 30,384.83 is: 45,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,758.10 : 112,183.83 = 30,384.83 : x
  2. Step 2: Convert to fraction form
    74,758.10/112,183.83 = 30,384.83/x
  3. Step 3: Cross multiply
    74,758.10x = 112,183.83 × 30,384.83
  4. Step 4: Simplify right side
    74,758.10x = 3,408,686,883.76
  5. Step 5: Solve for x
    x = 3,408,686,883.76/74,758.10
  6. Step 6: Final answer
    x = 45,596.22

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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.