Home / 104,749.62-157,090.41-45,567.78

Finding the Fourth Proportional to 104,749.62, 157,090.41 and 45,567.78

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Solution

The fourth proportional to 104,749.62, 157,090.41 and 45,567.78 is: 68,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,749.62 : 157,090.41 = 45,567.78 : x
  2. Step 2: Convert to fraction form
    104,749.62/157,090.41 = 45,567.78/x
  3. Step 3: Cross multiply
    104,749.62x = 157,090.41 × 45,567.78
  4. Step 4: Simplify right side
    104,749.62x = 7,158,261,242.99
  5. Step 5: Solve for x
    x = 7,158,261,242.99/104,749.62
  6. Step 6: Final answer
    x = 68,336.87

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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.