Home / 82,917.07-114,309.62-70,118.85

Finding the Fourth Proportional to 82,917.07, 114,309.62 and 70,118.85

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Solution

The fourth proportional to 82,917.07, 114,309.62 and 70,118.85 is: 96,665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,917.07 : 114,309.62 = 70,118.85 : x
  2. Step 2: Convert to fraction form
    82,917.07/114,309.62 = 70,118.85/x
  3. Step 3: Cross multiply
    82,917.07x = 114,309.62 × 70,118.85
  4. Step 4: Simplify right side
    82,917.07x = 8,015,258,526.79
  5. Step 5: Solve for x
    x = 8,015,258,526.79/82,917.07
  6. Step 6: Final answer
    x = 96,665.96

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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.