Home / 114,732.18-172,072.28-43,629.48

Finding the Fourth Proportional to 114,732.18, 172,072.28 and 43,629.48

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Solution

The fourth proportional to 114,732.18, 172,072.28 and 43,629.48 is: 65,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,732.18 : 172,072.28 = 43,629.48 : x
  2. Step 2: Convert to fraction form
    114,732.18/172,072.28 = 43,629.48/x
  3. Step 3: Cross multiply
    114,732.18x = 172,072.28 × 43,629.48
  4. Step 4: Simplify right side
    114,732.18x = 7,507,424,207.89
  5. Step 5: Solve for x
    x = 7,507,424,207.89/114,732.18
  6. Step 6: Final answer
    x = 65,434.34

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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.