Home / 114,731.43-172,071.15-43,628.72

Finding the Fourth Proportional to 114,731.43, 172,071.15 and 43,628.72

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Solution

The fourth proportional to 114,731.43, 172,071.15 and 43,628.72 is: 65,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,731.43 : 172,071.15 = 43,628.72 : x
  2. Step 2: Convert to fraction form
    114,731.43/172,071.15 = 43,628.72/x
  3. Step 3: Cross multiply
    114,731.43x = 172,071.15 × 43,628.72
  4. Step 4: Simplify right side
    114,731.43x = 7,507,243,163.07
  5. Step 5: Solve for x
    x = 7,507,243,163.07/114,731.43
  6. Step 6: Final answer
    x = 65,433.19

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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.