Home / 103,749.02-155,662.73-40,614.26

Finding the Fourth Proportional to 103,749.02, 155,662.73 and 40,614.26

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Solution

The fourth proportional to 103,749.02, 155,662.73 and 40,614.26 is: 60,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,749.02 : 155,662.73 = 40,614.26 : x
  2. Step 2: Convert to fraction form
    103,749.02/155,662.73 = 40,614.26/x
  3. Step 3: Cross multiply
    103,749.02x = 155,662.73 × 40,614.26
  4. Step 4: Simplify right side
    103,749.02x = 6,322,125,607.14
  5. Step 5: Solve for x
    x = 6,322,125,607.14/103,749.02
  6. Step 6: Final answer
    x = 60,936.73

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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.