Home / 69,907.24-96,388.14-57,113.02

Finding the Fourth Proportional to 69,907.24, 96,388.14 and 57,113.02

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Solution

The fourth proportional to 69,907.24, 96,388.14 and 57,113.02 is: 78,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,907.24 : 96,388.14 = 57,113.02 : x
  2. Step 2: Convert to fraction form
    69,907.24/96,388.14 = 57,113.02/x
  3. Step 3: Cross multiply
    69,907.24x = 96,388.14 × 57,113.02
  4. Step 4: Simplify right side
    69,907.24x = 5,505,017,767.58
  5. Step 5: Solve for x
    x = 5,505,017,767.58/69,907.24
  6. Step 6: Final answer
    x = 78,747.46

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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.