Home / 112,316.82-168,391.99-53,083.29

Finding the Fourth Proportional to 112,316.82, 168,391.99 and 53,083.29

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Solution

The fourth proportional to 112,316.82, 168,391.99 and 53,083.29 is: 79,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,316.82 : 168,391.99 = 53,083.29 : x
  2. Step 2: Convert to fraction form
    112,316.82/168,391.99 = 53,083.29/x
  3. Step 3: Cross multiply
    112,316.82x = 168,391.99 × 53,083.29
  4. Step 4: Simplify right side
    112,316.82x = 8,938,800,838.85
  5. Step 5: Solve for x
    x = 8,938,800,838.85/112,316.82
  6. Step 6: Final answer
    x = 79,585.59

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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.