Home / 89,986.36-134,998.35-26,806.36

Finding the Fourth Proportional to 89,986.36, 134,998.35 and 26,806.36

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Solution

The fourth proportional to 89,986.36, 134,998.35 and 26,806.36 is: 40,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,986.36 : 134,998.35 = 26,806.36 : x
  2. Step 2: Convert to fraction form
    89,986.36/134,998.35 = 26,806.36/x
  3. Step 3: Cross multiply
    89,986.36x = 134,998.35 × 26,806.36
  4. Step 4: Simplify right side
    89,986.36x = 3,618,814,369.51
  5. Step 5: Solve for x
    x = 3,618,814,369.51/89,986.36
  6. Step 6: Final answer
    x = 40,215.14

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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.