Home / 117,636.85-162,339.06-63,922.51

Finding the Fourth Proportional to 117,636.85, 162,339.06 and 63,922.51

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Solution

The fourth proportional to 117,636.85, 162,339.06 and 63,922.51 is: 88,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,636.85 : 162,339.06 = 63,922.51 : x
  2. Step 2: Convert to fraction form
    117,636.85/162,339.06 = 63,922.51/x
  3. Step 3: Cross multiply
    117,636.85x = 162,339.06 × 63,922.51
  4. Step 4: Simplify right side
    117,636.85x = 10,377,120,186.24
  5. Step 5: Solve for x
    x = 10,377,120,186.24/117,636.85
  6. Step 6: Final answer
    x = 88,213.18

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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.