Home / 88,977.57-122,786.06-48,688.63

Finding the Fourth Proportional to 88,977.57, 122,786.06 and 48,688.63

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Solution

The fourth proportional to 88,977.57, 122,786.06 and 48,688.63 is: 67,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,977.57 : 122,786.06 = 48,688.63 : x
  2. Step 2: Convert to fraction form
    88,977.57/122,786.06 = 48,688.63/x
  3. Step 3: Cross multiply
    88,977.57x = 122,786.06 × 48,688.63
  4. Step 4: Simplify right side
    88,977.57x = 5,978,284,494.09
  5. Step 5: Solve for x
    x = 5,978,284,494.09/88,977.57
  6. Step 6: Final answer
    x = 67,188.67

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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.