Home / 53,829.54-80,619.09-51,960.78

Finding the Fourth Proportional to 53,829.54, 80,619.09 and 51,960.78

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Solution

The fourth proportional to 53,829.54, 80,619.09 and 51,960.78 is: 77,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,829.54 : 80,619.09 = 51,960.78 : x
  2. Step 2: Convert to fraction form
    53,829.54/80,619.09 = 51,960.78/x
  3. Step 3: Cross multiply
    53,829.54x = 80,619.09 × 51,960.78
  4. Step 4: Simplify right side
    53,829.54x = 4,189,030,799.29
  5. Step 5: Solve for x
    x = 4,189,030,799.29/53,829.54
  6. Step 6: Final answer
    x = 77,820.30

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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.