Home / 79,705.22-119,573.60-22,779.64

Finding the Fourth Proportional to 79,705.22, 119,573.60 and 22,779.64

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Solution

The fourth proportional to 79,705.22, 119,573.60 and 22,779.64 is: 34,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,705.22 : 119,573.60 = 22,779.64 : x
  2. Step 2: Convert to fraction form
    79,705.22/119,573.60 = 22,779.64/x
  3. Step 3: Cross multiply
    79,705.22x = 119,573.60 × 22,779.64
  4. Step 4: Simplify right side
    79,705.22x = 2,723,842,849.74
  5. Step 5: Solve for x
    x = 2,723,842,849.74/79,705.22
  6. Step 6: Final answer
    x = 34,173.96

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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.