Home / 117,112.21-175,632-42,222.67

Finding the Fourth Proportional to 117,112.21, 175,632 and 42,222.67

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Solution

The fourth proportional to 117,112.21, 175,632 and 42,222.67 is: 63,320.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,112.21 : 175,632 = 42,222.67 : x
  2. Step 2: Convert to fraction form
    117,112.21/175,632 = 42,222.67/x
  3. Step 3: Cross multiply
    117,112.21x = 175,632 × 42,222.67
  4. Step 4: Simplify right side
    117,112.21x = 7,415,651,977.44
  5. Step 5: Solve for x
    x = 7,415,651,977.44/117,112.21
  6. Step 6: Final answer
    x = 63,320.91

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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.