Home / 46,420.14-69,632.92-13,137.42

Finding the Fourth Proportional to 46,420.14, 69,632.92 and 13,137.42

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Solution

The fourth proportional to 46,420.14, 69,632.92 and 13,137.42 is: 19,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,420.14 : 69,632.92 = 13,137.42 : x
  2. Step 2: Convert to fraction form
    46,420.14/69,632.92 = 13,137.42/x
  3. Step 3: Cross multiply
    46,420.14x = 69,632.92 × 13,137.42
  4. Step 4: Simplify right side
    46,420.14x = 914,796,915.87
  5. Step 5: Solve for x
    x = 914,796,915.87/46,420.14
  6. Step 6: Final answer
    x = 19,706.90

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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.