Home / 117,622.42-176,443.19-70,559.09

Finding the Fourth Proportional to 117,622.42, 176,443.19 and 70,559.09

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Solution

The fourth proportional to 117,622.42, 176,443.19 and 70,559.09 is: 105,844.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,622.42 : 176,443.19 = 70,559.09 : x
  2. Step 2: Convert to fraction form
    117,622.42/176,443.19 = 70,559.09/x
  3. Step 3: Cross multiply
    117,622.42x = 176,443.19 × 70,559.09
  4. Step 4: Simplify right side
    117,622.42x = 12,449,670,923.10
  5. Step 5: Solve for x
    x = 12,449,670,923.10/117,622.42
  6. Step 6: Final answer
    x = 105,844.37

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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.