Home / 53,856.36-80,659.14-51,987.96

Finding the Fourth Proportional to 53,856.36, 80,659.14 and 51,987.96

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Solution

The fourth proportional to 53,856.36, 80,659.14 and 51,987.96 is: 77,860.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,856.36 : 80,659.14 = 51,987.96 : x
  2. Step 2: Convert to fraction form
    53,856.36/80,659.14 = 51,987.96/x
  3. Step 3: Cross multiply
    53,856.36x = 80,659.14 × 51,987.96
  4. Step 4: Simplify right side
    53,856.36x = 4,193,304,143.95
  5. Step 5: Solve for x
    x = 4,193,304,143.95/53,856.36
  6. Step 6: Final answer
    x = 77,860.89

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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.