Home / 98,544.03-135,977.13-55,516.32

Finding the Fourth Proportional to 98,544.03, 135,977.13 and 55,516.32

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Solution

The fourth proportional to 98,544.03, 135,977.13 and 55,516.32 is: 76,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,544.03 : 135,977.13 = 55,516.32 : x
  2. Step 2: Convert to fraction form
    98,544.03/135,977.13 = 55,516.32/x
  3. Step 3: Cross multiply
    98,544.03x = 135,977.13 × 55,516.32
  4. Step 4: Simplify right side
    98,544.03x = 7,548,949,861.76
  5. Step 5: Solve for x
    x = 7,548,949,861.76/98,544.03
  6. Step 6: Final answer
    x = 76,604.85

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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.