Home / 76,741.44-115,112.40-26,821.32

Finding the Fourth Proportional to 76,741.44, 115,112.40 and 26,821.32

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Solution

The fourth proportional to 76,741.44, 115,112.40 and 26,821.32 is: 40,232.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,741.44 : 115,112.40 = 26,821.32 : x
  2. Step 2: Convert to fraction form
    76,741.44/115,112.40 = 26,821.32/x
  3. Step 3: Cross multiply
    76,741.44x = 115,112.40 × 26,821.32
  4. Step 4: Simplify right side
    76,741.44x = 3,087,466,516.37
  5. Step 5: Solve for x
    x = 3,087,466,516.37/76,741.44
  6. Step 6: Final answer
    x = 40,232.06

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1.5x scale

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.