Home / 86,383.13-119,208.92-48,657.38

Finding the Fourth Proportional to 86,383.13, 119,208.92 and 48,657.38

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Solution

The fourth proportional to 86,383.13, 119,208.92 and 48,657.38 is: 67,147.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,383.13 : 119,208.92 = 48,657.38 : x
  2. Step 2: Convert to fraction form
    86,383.13/119,208.92 = 48,657.38/x
  3. Step 3: Cross multiply
    86,383.13x = 119,208.92 × 48,657.38
  4. Step 4: Simplify right side
    86,383.13x = 5,800,392,880.50
  5. Step 5: Solve for x
    x = 5,800,392,880.50/86,383.13
  6. Step 6: Final answer
    x = 67,147.29

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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.