Home / 82,449.12-113,779.28-44,723.36

Finding the Fourth Proportional to 82,449.12, 113,779.28 and 44,723.36

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Solution

The fourth proportional to 82,449.12, 113,779.28 and 44,723.36 is: 61,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,449.12 : 113,779.28 = 44,723.36 : x
  2. Step 2: Convert to fraction form
    82,449.12/113,779.28 = 44,723.36/x
  3. Step 3: Cross multiply
    82,449.12x = 113,779.28 × 44,723.36
  4. Step 4: Simplify right side
    82,449.12x = 5,088,591,699.98
  5. Step 5: Solve for x
    x = 5,088,591,699.98/82,449.12
  6. Step 6: Final answer
    x = 61,717.96

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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.