Home / 106,814.16-160,299.60-47,688.64

Finding the Fourth Proportional to 106,814.16, 160,299.60 and 47,688.64

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Solution

The fourth proportional to 106,814.16, 160,299.60 and 47,688.64 is: 71,567.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,814.16 : 160,299.60 = 47,688.64 : x
  2. Step 2: Convert to fraction form
    106,814.16/160,299.60 = 47,688.64/x
  3. Step 3: Cross multiply
    106,814.16x = 160,299.60 × 47,688.64
  4. Step 4: Simplify right side
    106,814.16x = 7,644,469,916.54
  5. Step 5: Solve for x
    x = 7,644,469,916.54/106,814.16
  6. Step 6: Final answer
    x = 71,567.94

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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.