Home / 86,199.69-118,997.40-57,536.33

Finding the Fourth Proportional to 86,199.69, 118,997.40 and 57,536.33

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Solution

The fourth proportional to 86,199.69, 118,997.40 and 57,536.33 is: 79,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,199.69 : 118,997.40 = 57,536.33 : x
  2. Step 2: Convert to fraction form
    86,199.69/118,997.40 = 57,536.33/x
  3. Step 3: Cross multiply
    86,199.69x = 118,997.40 × 57,536.33
  4. Step 4: Simplify right side
    86,199.69x = 6,846,673,296.32
  5. Step 5: Solve for x
    x = 6,846,673,296.32/86,199.69
  6. Step 6: Final answer
    x = 79,428.05

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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.