Home / 71,072.07-106,487.64-42,933.03

Finding the Fourth Proportional to 71,072.07, 106,487.64 and 42,933.03

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Solution

The fourth proportional to 71,072.07, 106,487.64 and 42,933.03 is: 64,326.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,072.07 : 106,487.64 = 42,933.03 : x
  2. Step 2: Convert to fraction form
    71,072.07/106,487.64 = 42,933.03/x
  3. Step 3: Cross multiply
    71,072.07x = 106,487.64 × 42,933.03
  4. Step 4: Simplify right side
    71,072.07x = 4,571,837,042.75
  5. Step 5: Solve for x
    x = 4,571,837,042.75/71,072.07
  6. Step 6: Final answer
    x = 64,326.77

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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.