Home / 99,567.72-149,355.21-33,013.67

Finding the Fourth Proportional to 99,567.72, 149,355.21 and 33,013.67

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Solution

The fourth proportional to 99,567.72, 149,355.21 and 33,013.67 is: 49,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,567.72 : 149,355.21 = 33,013.67 : x
  2. Step 2: Convert to fraction form
    99,567.72/149,355.21 = 33,013.67/x
  3. Step 3: Cross multiply
    99,567.72x = 149,355.21 × 33,013.67
  4. Step 4: Simplify right side
    99,567.72x = 4,930,762,868.94
  5. Step 5: Solve for x
    x = 4,930,762,868.94/99,567.72
  6. Step 6: Final answer
    x = 49,521.70

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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.