Home / 76,437.68-114,453.48-51,439.28

Finding the Fourth Proportional to 76,437.68, 114,453.48 and 51,439.28

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Solution

The fourth proportional to 76,437.68, 114,453.48 and 51,439.28 is: 77,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,437.68 : 114,453.48 = 51,439.28 : x
  2. Step 2: Convert to fraction form
    76,437.68/114,453.48 = 51,439.28/x
  3. Step 3: Cross multiply
    76,437.68x = 114,453.48 × 51,439.28
  4. Step 4: Simplify right side
    76,437.68x = 5,887,404,604.69
  5. Step 5: Solve for x
    x = 5,887,404,604.69/76,437.68
  6. Step 6: Final answer
    x = 77,022.28

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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.