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Finding the Fourth Proportional to 69,663.60, 104,495.40 and 50,126.40

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Solution

The fourth proportional to 69,663.60, 104,495.40 and 50,126.40 is: 75,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,663.60 : 104,495.40 = 50,126.40 : x
  2. Step 2: Convert to fraction form
    69,663.60/104,495.40 = 50,126.40/x
  3. Step 3: Cross multiply
    69,663.60x = 104,495.40 × 50,126.40
  4. Step 4: Simplify right side
    69,663.60x = 5,237,978,218.56
  5. Step 5: Solve for x
    x = 5,237,978,218.56/69,663.60
  6. Step 6: Final answer
    x = 75,189.60

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1.5x scale

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.