Home / 117,807.79-162,571.05-64,091.44

Finding the Fourth Proportional to 117,807.79, 162,571.05 and 64,091.44

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Solution

The fourth proportional to 117,807.79, 162,571.05 and 64,091.44 is: 88,444.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,807.79 : 162,571.05 = 64,091.44 : x
  2. Step 2: Convert to fraction form
    117,807.79/162,571.05 = 64,091.44/x
  3. Step 3: Cross multiply
    117,807.79x = 162,571.05 × 64,091.44
  4. Step 4: Simplify right side
    117,807.79x = 10,419,412,696.81
  5. Step 5: Solve for x
    x = 10,419,412,696.81/117,807.79
  6. Step 6: Final answer
    x = 88,444.17

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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.