Home / 69,720.32-104,571.84-25,345.28

Finding the Fourth Proportional to 69,720.32, 104,571.84 and 25,345.28

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Solution

The fourth proportional to 69,720.32, 104,571.84 and 25,345.28 is: 38,014.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,720.32 : 104,571.84 = 25,345.28 : x
  2. Step 2: Convert to fraction form
    69,720.32/104,571.84 = 25,345.28/x
  3. Step 3: Cross multiply
    69,720.32x = 104,571.84 × 25,345.28
  4. Step 4: Simplify right side
    69,720.32x = 2,650,402,564.92
  5. Step 5: Solve for x
    x = 2,650,402,564.92/69,720.32
  6. Step 6: Final answer
    x = 38,014.78

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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.