Home / 83,905.48-115,790.38-46,180.60

Finding the Fourth Proportional to 83,905.48, 115,790.38 and 46,180.60

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Solution

The fourth proportional to 83,905.48, 115,790.38 and 46,180.60 is: 63,729.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,905.48 : 115,790.38 = 46,180.60 : x
  2. Step 2: Convert to fraction form
    83,905.48/115,790.38 = 46,180.60/x
  3. Step 3: Cross multiply
    83,905.48x = 115,790.38 × 46,180.60
  4. Step 4: Simplify right side
    83,905.48x = 5,347,269,222.63
  5. Step 5: Solve for x
    x = 5,347,269,222.63/83,905.48
  6. Step 6: Final answer
    x = 63,729.68

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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.