Home / 75,973.20-114,062.40-44,415.60

Finding the Fourth Proportional to 75,973.20, 114,062.40 and 44,415.60

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Solution

The fourth proportional to 75,973.20, 114,062.40 and 44,415.60 is: 66,683.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,973.20 : 114,062.40 = 44,415.60 : x
  2. Step 2: Convert to fraction form
    75,973.20/114,062.40 = 44,415.60/x
  3. Step 3: Cross multiply
    75,973.20x = 114,062.40 × 44,415.60
  4. Step 4: Simplify right side
    75,973.20x = 5,066,149,933.44
  5. Step 5: Solve for x
    x = 5,066,149,933.44/75,973.20
  6. Step 6: Final answer
    x = 66,683.38

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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.