Home / 112,850.37-155,692.26-67,529.61

Finding the Fourth Proportional to 112,850.37, 155,692.26 and 67,529.61

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Solution

The fourth proportional to 112,850.37, 155,692.26 and 67,529.61 is: 93,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,850.37 : 155,692.26 = 67,529.61 : x
  2. Step 2: Convert to fraction form
    112,850.37/155,692.26 = 67,529.61/x
  3. Step 3: Cross multiply
    112,850.37x = 155,692.26 × 67,529.61
  4. Step 4: Simplify right side
    112,850.37x = 10,513,837,597.82
  5. Step 5: Solve for x
    x = 10,513,837,597.82/112,850.37
  6. Step 6: Final answer
    x = 93,166.18

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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.