Home / 111,435.57-167,153.34-52,271.24

Finding the Fourth Proportional to 111,435.57, 167,153.34 and 52,271.24

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Solution

The fourth proportional to 111,435.57, 167,153.34 and 52,271.24 is: 78,406.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,435.57 : 167,153.34 = 52,271.24 : x
  2. Step 2: Convert to fraction form
    111,435.57/167,153.34 = 52,271.24/x
  3. Step 3: Cross multiply
    111,435.57x = 167,153.34 × 52,271.24
  4. Step 4: Simplify right side
    111,435.57x = 8,737,312,351.94
  5. Step 5: Solve for x
    x = 8,737,312,351.94/111,435.57
  6. Step 6: Final answer
    x = 78,406.85

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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.