Home / 86,982.44-120,024.54-51,159.38

Finding the Fourth Proportional to 86,982.44, 120,024.54 and 51,159.38

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Solution

The fourth proportional to 86,982.44, 120,024.54 and 51,159.38 is: 70,593.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,982.44 : 120,024.54 = 51,159.38 : x
  2. Step 2: Convert to fraction form
    86,982.44/120,024.54 = 51,159.38/x
  3. Step 3: Cross multiply
    86,982.44x = 120,024.54 × 51,159.38
  4. Step 4: Simplify right side
    86,982.44x = 6,140,380,451.06
  5. Step 5: Solve for x
    x = 6,140,380,451.06/86,982.44
  6. Step 6: Final answer
    x = 70,593.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.