Home / 111,733.37-167,599.64-45,172.70

Finding the Fourth Proportional to 111,733.37, 167,599.64 and 45,172.70

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Solution

The fourth proportional to 111,733.37, 167,599.64 and 45,172.70 is: 67,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,733.37 : 167,599.64 = 45,172.70 : x
  2. Step 2: Convert to fraction form
    111,733.37/167,599.64 = 45,172.70/x
  3. Step 3: Cross multiply
    111,733.37x = 167,599.64 × 45,172.70
  4. Step 4: Simplify right side
    111,733.37x = 7,570,927,532.76
  5. Step 5: Solve for x
    x = 7,570,927,532.76/111,733.37
  6. Step 6: Final answer
    x = 67,758.88

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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.