Home / 96,991.05-145,486.53-26,870.37

Finding the Fourth Proportional to 96,991.05, 145,486.53 and 26,870.37

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Solution

The fourth proportional to 96,991.05, 145,486.53 and 26,870.37 is: 40,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,991.05 : 145,486.53 = 26,870.37 : x
  2. Step 2: Convert to fraction form
    96,991.05/145,486.53 = 26,870.37/x
  3. Step 3: Cross multiply
    96,991.05x = 145,486.53 × 26,870.37
  4. Step 4: Simplify right side
    96,991.05x = 3,909,276,891.12
  5. Step 5: Solve for x
    x = 3,909,276,891.12/96,991.05
  6. Step 6: Final answer
    x = 40,305.54

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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.