Home / 69,991.41-96,570.83-42,760.49

Finding the Fourth Proportional to 69,991.41, 96,570.83 and 42,760.49

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Solution

The fourth proportional to 69,991.41, 96,570.83 and 42,760.49 is: 58,998.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,991.41 : 96,570.83 = 42,760.49 : x
  2. Step 2: Convert to fraction form
    69,991.41/96,570.83 = 42,760.49/x
  3. Step 3: Cross multiply
    69,991.41x = 96,570.83 × 42,760.49
  4. Step 4: Simplify right side
    69,991.41x = 4,129,415,313.85
  5. Step 5: Solve for x
    x = 4,129,415,313.85/69,991.41
  6. Step 6: Final answer
    x = 58,998.89

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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.