Home / 117,917.37-162,700.65-70,161.39

Finding the Fourth Proportional to 117,917.37, 162,700.65 and 70,161.39

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Solution

The fourth proportional to 117,917.37, 162,700.65 and 70,161.39 is: 96,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,917.37 : 162,700.65 = 70,161.39 : x
  2. Step 2: Convert to fraction form
    117,917.37/162,700.65 = 70,161.39/x
  3. Step 3: Cross multiply
    117,917.37x = 162,700.65 × 70,161.39
  4. Step 4: Simplify right side
    117,917.37x = 11,415,303,757.90
  5. Step 5: Solve for x
    x = 11,415,303,757.90/117,917.37
  6. Step 6: Final answer
    x = 96,807.65

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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.