Home / 69,661.81-104,505.27-25,350.76

Finding the Fourth Proportional to 69,661.81, 104,505.27 and 25,350.76

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Solution

The fourth proportional to 69,661.81, 104,505.27 and 25,350.76 is: 38,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,661.81 : 104,505.27 = 25,350.76 : x
  2. Step 2: Convert to fraction form
    69,661.81/104,505.27 = 25,350.76/x
  3. Step 3: Cross multiply
    69,661.81x = 104,505.27 × 25,350.76
  4. Step 4: Simplify right side
    69,661.81x = 2,649,288,018.51
  5. Step 5: Solve for x
    x = 2,649,288,018.51/69,661.81
  6. Step 6: Final answer
    x = 38,030.71

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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.