Home / 86,072.69-118,783.30-47,833.85

Finding the Fourth Proportional to 86,072.69, 118,783.30 and 47,833.85

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Solution

The fourth proportional to 86,072.69, 118,783.30 and 47,833.85 is: 66,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,072.69 : 118,783.30 = 47,833.85 : x
  2. Step 2: Convert to fraction form
    86,072.69/118,783.30 = 47,833.85/x
  3. Step 3: Cross multiply
    86,072.69x = 118,783.30 × 47,833.85
  4. Step 4: Simplify right side
    86,072.69x = 5,681,861,721.62
  5. Step 5: Solve for x
    x = 5,681,861,721.62/86,072.69
  6. Step 6: Final answer
    x = 66,012.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.