Home / 75,113.30-103,656.35-41,579.30

Finding the Fourth Proportional to 75,113.30, 103,656.35 and 41,579.30

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Solution

The fourth proportional to 75,113.30, 103,656.35 and 41,579.30 is: 57,379.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,113.30 : 103,656.35 = 41,579.30 : x
  2. Step 2: Convert to fraction form
    75,113.30/103,656.35 = 41,579.30/x
  3. Step 3: Cross multiply
    75,113.30x = 103,656.35 × 41,579.30
  4. Step 4: Simplify right side
    75,113.30x = 4,309,958,577.50
  5. Step 5: Solve for x
    x = 4,309,958,577.50/75,113.30
  6. Step 6: Final answer
    x = 57,379.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.