Home / 69,878.48-96,431.33-38,047.37

Finding the Fourth Proportional to 69,878.48, 96,431.33 and 38,047.37

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Solution

The fourth proportional to 69,878.48, 96,431.33 and 38,047.37 is: 52,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,878.48 : 96,431.33 = 38,047.37 : x
  2. Step 2: Convert to fraction form
    69,878.48/96,431.33 = 38,047.37/x
  3. Step 3: Cross multiply
    69,878.48x = 96,431.33 × 38,047.37
  4. Step 4: Simplify right side
    69,878.48x = 3,668,958,828.30
  5. Step 5: Solve for x
    x = 3,668,958,828.30/69,878.48
  6. Step 6: Final answer
    x = 52,504.85

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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.