Home / 117,816.77-162,586.36-64,102.00

Finding the Fourth Proportional to 117,816.77, 162,586.36 and 64,102.00

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Solution

The fourth proportional to 117,816.77, 162,586.36 and 64,102.00 is: 88,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,816.77 : 162,586.36 = 64,102.00 : x
  2. Step 2: Convert to fraction form
    117,816.77/162,586.36 = 64,102.00/x
  3. Step 3: Cross multiply
    117,816.77x = 162,586.36 × 64,102.00
  4. Step 4: Simplify right side
    117,816.77x = 10,422,110,321.61
  5. Step 5: Solve for x
    x = 10,422,110,321.61/117,816.77
  6. Step 6: Final answer
    x = 88,460.33

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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.