Home / 86,226.69-118,891.06-59,015.90

Finding the Fourth Proportional to 86,226.69, 118,891.06 and 59,015.90

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Solution

The fourth proportional to 86,226.69, 118,891.06 and 59,015.90 is: 81,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,226.69 : 118,891.06 = 59,015.90 : x
  2. Step 2: Convert to fraction form
    86,226.69/118,891.06 = 59,015.90/x
  3. Step 3: Cross multiply
    86,226.69x = 118,891.06 × 59,015.90
  4. Step 4: Simplify right side
    86,226.69x = 7,016,463,057.54
  5. Step 5: Solve for x
    x = 7,016,463,057.54/86,226.69
  6. Step 6: Final answer
    x = 81,372.28

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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.