Home / 75,779.04-113,634-49,081.44

Finding the Fourth Proportional to 75,779.04, 113,634 and 49,081.44

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Solution

The fourth proportional to 75,779.04, 113,634 and 49,081.44 is: 73,599.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,779.04 : 113,634 = 49,081.44 : x
  2. Step 2: Convert to fraction form
    75,779.04/113,634 = 49,081.44/x
  3. Step 3: Cross multiply
    75,779.04x = 113,634 × 49,081.44
  4. Step 4: Simplify right side
    75,779.04x = 5,577,320,352.96
  5. Step 5: Solve for x
    x = 5,577,320,352.96/75,779.04
  6. Step 6: Final answer
    x = 73,599.78

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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.