Home / 117,595.04-162,283.68-66,608

Finding the Fourth Proportional to 117,595.04, 162,283.68 and 66,608

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Solution

The fourth proportional to 117,595.04, 162,283.68 and 66,608 is: 91,920.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,595.04 : 162,283.68 = 66,608 : x
  2. Step 2: Convert to fraction form
    117,595.04/162,283.68 = 66,608/x
  3. Step 3: Cross multiply
    117,595.04x = 162,283.68 × 66,608
  4. Step 4: Simplify right side
    117,595.04x = 10,809,391,357.44
  5. Step 5: Solve for x
    x = 10,809,391,357.44/117,595.04
  6. Step 6: Final answer
    x = 91,920.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.