Home / 117,983.44-162,815.88-67,690.32

Finding the Fourth Proportional to 117,983.44, 162,815.88 and 67,690.32

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Solution

The fourth proportional to 117,983.44, 162,815.88 and 67,690.32 is: 93,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,983.44 : 162,815.88 = 67,690.32 : x
  2. Step 2: Convert to fraction form
    117,983.44/162,815.88 = 67,690.32/x
  3. Step 3: Cross multiply
    117,983.44x = 162,815.88 × 67,690.32
  4. Step 4: Simplify right side
    117,983.44x = 11,021,059,018.28
  5. Step 5: Solve for x
    x = 11,021,059,018.28/117,983.44
  6. Step 6: Final answer
    x = 93,411.91

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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.