Home / 76,735.14-114,977.56-47,090.35

Finding the Fourth Proportional to 76,735.14, 114,977.56 and 47,090.35

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Solution

The fourth proportional to 76,735.14, 114,977.56 and 47,090.35 is: 70,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,735.14 : 114,977.56 = 47,090.35 : x
  2. Step 2: Convert to fraction form
    76,735.14/114,977.56 = 47,090.35/x
  3. Step 3: Cross multiply
    76,735.14x = 114,977.56 × 47,090.35
  4. Step 4: Simplify right side
    76,735.14x = 5,414,333,542.55
  5. Step 5: Solve for x
    x = 5,414,333,542.55/76,735.14
  6. Step 6: Final answer
    x = 70,558.72

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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.