Home / 77,889.24-116,822.88-25,299.36

Finding the Fourth Proportional to 77,889.24, 116,822.88 and 25,299.36

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Solution

The fourth proportional to 77,889.24, 116,822.88 and 25,299.36 is: 37,945.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,889.24 : 116,822.88 = 25,299.36 : x
  2. Step 2: Convert to fraction form
    77,889.24/116,822.88 = 25,299.36/x
  3. Step 3: Cross multiply
    77,889.24x = 116,822.88 × 25,299.36
  4. Step 4: Simplify right side
    77,889.24x = 2,955,544,097.36
  5. Step 5: Solve for x
    x = 2,955,544,097.36/77,889.24
  6. Step 6: Final answer
    x = 37,945.47

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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.