Home / 111,943.58-167,914.98-45,383.55

Finding the Fourth Proportional to 111,943.58, 167,914.98 and 45,383.55

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Solution

The fourth proportional to 111,943.58, 167,914.98 and 45,383.55 is: 68,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,943.58 : 167,914.98 = 45,383.55 : x
  2. Step 2: Convert to fraction form
    111,943.58/167,914.98 = 45,383.55/x
  3. Step 3: Cross multiply
    111,943.58x = 167,914.98 × 45,383.55
  4. Step 4: Simplify right side
    111,943.58x = 7,620,577,890.58
  5. Step 5: Solve for x
    x = 7,620,577,890.58/111,943.58
  6. Step 6: Final answer
    x = 68,075.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.