Home / 84,629.46-116,784.60-48,830.96

Finding the Fourth Proportional to 84,629.46, 116,784.60 and 48,830.96

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Solution

The fourth proportional to 84,629.46, 116,784.60 and 48,830.96 is: 67,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,629.46 : 116,784.60 = 48,830.96 : x
  2. Step 2: Convert to fraction form
    84,629.46/116,784.60 = 48,830.96/x
  3. Step 3: Cross multiply
    84,629.46x = 116,784.60 × 48,830.96
  4. Step 4: Simplify right side
    84,629.46x = 5,702,704,131.22
  5. Step 5: Solve for x
    x = 5,702,704,131.22/84,629.46
  6. Step 6: Final answer
    x = 67,384.39

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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.