Home / 75,911.56-113,877.06-29,158.36

Finding the Fourth Proportional to 75,911.56, 113,877.06 and 29,158.36

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Solution

The fourth proportional to 75,911.56, 113,877.06 and 29,158.36 is: 43,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,911.56 : 113,877.06 = 29,158.36 : x
  2. Step 2: Convert to fraction form
    75,911.56/113,877.06 = 29,158.36/x
  3. Step 3: Cross multiply
    75,911.56x = 113,877.06 × 29,158.36
  4. Step 4: Simplify right side
    75,911.56x = 3,320,468,311.22
  5. Step 5: Solve for x
    x = 3,320,468,311.22/75,911.56
  6. Step 6: Final answer
    x = 43,741.27

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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.