Home / 73,845.88-110,768.76-40,776.20

Finding the Fourth Proportional to 73,845.88, 110,768.76 and 40,776.20

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Solution

The fourth proportional to 73,845.88, 110,768.76 and 40,776.20 is: 61,164.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,845.88 : 110,768.76 = 40,776.20 : x
  2. Step 2: Convert to fraction form
    73,845.88/110,768.76 = 40,776.20/x
  3. Step 3: Cross multiply
    73,845.88x = 110,768.76 × 40,776.20
  4. Step 4: Simplify right side
    73,845.88x = 4,516,729,111.51
  5. Step 5: Solve for x
    x = 4,516,729,111.51/73,845.88
  6. Step 6: Final answer
    x = 61,164.27

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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.