Home / 117,922.50-162,730.62-64,208.43

Finding the Fourth Proportional to 117,922.50, 162,730.62 and 64,208.43

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Solution

The fourth proportional to 117,922.50, 162,730.62 and 64,208.43 is: 88,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,922.50 : 162,730.62 = 64,208.43 : x
  2. Step 2: Convert to fraction form
    117,922.50/162,730.62 = 64,208.43/x
  3. Step 3: Cross multiply
    117,922.50x = 162,730.62 × 64,208.43
  4. Step 4: Simplify right side
    117,922.50x = 10,448,677,623.13
  5. Step 5: Solve for x
    x = 10,448,677,623.13/117,922.50
  6. Step 6: Final answer
    x = 88,606.31

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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.