Home / 82,243.44-123,365.82-70,319.94

Finding the Fourth Proportional to 82,243.44, 123,365.82 and 70,319.94

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Solution

The fourth proportional to 82,243.44, 123,365.82 and 70,319.94 is: 105,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,243.44 : 123,365.82 = 70,319.94 : x
  2. Step 2: Convert to fraction form
    82,243.44/123,365.82 = 70,319.94/x
  3. Step 3: Cross multiply
    82,243.44x = 123,365.82 × 70,319.94
  4. Step 4: Simplify right side
    82,243.44x = 8,675,077,060.45
  5. Step 5: Solve for x
    x = 8,675,077,060.45/82,243.44
  6. Step 6: Final answer
    x = 105,480.47

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1.5x scale

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.