Home / 46,419.14-69,631.41-13,136.42

Finding the Fourth Proportional to 46,419.14, 69,631.41 and 13,136.42

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Solution

The fourth proportional to 46,419.14, 69,631.41 and 13,136.42 is: 19,705.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,419.14 : 69,631.41 = 13,136.42 : x
  2. Step 2: Convert to fraction form
    46,419.14/69,631.41 = 13,136.42/x
  3. Step 3: Cross multiply
    46,419.14x = 69,631.41 × 13,136.42
  4. Step 4: Simplify right side
    46,419.14x = 914,707,446.95
  5. Step 5: Solve for x
    x = 914,707,446.95/46,419.14
  6. Step 6: Final answer
    x = 19,705.39

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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.