Home / 117,979.32-162,800.94-67,675.32

Finding the Fourth Proportional to 117,979.32, 162,800.94 and 67,675.32

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Solution

The fourth proportional to 117,979.32, 162,800.94 and 67,675.32 is: 93,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,979.32 : 162,800.94 = 67,675.32 : x
  2. Step 2: Convert to fraction form
    117,979.32/162,800.94 = 67,675.32/x
  3. Step 3: Cross multiply
    117,979.32x = 162,800.94 × 67,675.32
  4. Step 4: Simplify right side
    117,979.32x = 11,017,605,710.80
  5. Step 5: Solve for x
    x = 11,017,605,710.80/117,979.32
  6. Step 6: Final answer
    x = 93,385.91

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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.