Home / 112,984.46-155,923.44-67,669.82

Finding the Fourth Proportional to 112,984.46, 155,923.44 and 67,669.82

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Solution

The fourth proportional to 112,984.46, 155,923.44 and 67,669.82 is: 93,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,984.46 : 155,923.44 = 67,669.82 : x
  2. Step 2: Convert to fraction form
    112,984.46/155,923.44 = 67,669.82/x
  3. Step 3: Cross multiply
    112,984.46x = 155,923.44 × 67,669.82
  4. Step 4: Simplify right side
    112,984.46x = 10,551,311,118.58
  5. Step 5: Solve for x
    x = 10,551,311,118.58/112,984.46
  6. Step 6: Final answer
    x = 93,387.28

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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.