Home / 111,382.84-167,105.11-51,429.62

Finding the Fourth Proportional to 111,382.84, 167,105.11 and 51,429.62

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Solution

The fourth proportional to 111,382.84, 167,105.11 and 51,429.62 is: 77,158.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,382.84 : 167,105.11 = 51,429.62 : x
  2. Step 2: Convert to fraction form
    111,382.84/167,105.11 = 51,429.62/x
  3. Step 3: Cross multiply
    111,382.84x = 167,105.11 × 51,429.62
  4. Step 4: Simplify right side
    111,382.84x = 8,594,152,307.36
  5. Step 5: Solve for x
    x = 8,594,152,307.36/111,382.84
  6. Step 6: Final answer
    x = 77,158.67

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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.