Home / 76,659.06-114,405.69-71,583.02

Finding the Fourth Proportional to 76,659.06, 114,405.69 and 71,583.02

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Solution

The fourth proportional to 76,659.06, 114,405.69 and 71,583.02 is: 106,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,659.06 : 114,405.69 = 71,583.02 : x
  2. Step 2: Convert to fraction form
    76,659.06/114,405.69 = 71,583.02/x
  3. Step 3: Cross multiply
    76,659.06x = 114,405.69 × 71,583.02
  4. Step 4: Simplify right side
    76,659.06x = 8,189,504,397.72
  5. Step 5: Solve for x
    x = 8,189,504,397.72/76,659.06
  6. Step 6: Final answer
    x = 106,830.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.