Home / 41,779.08-62,670.11-13,699.80

Finding the Fourth Proportional to 41,779.08, 62,670.11 and 13,699.80

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Solution

The fourth proportional to 41,779.08, 62,670.11 and 13,699.80 is: 20,550.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,779.08 : 62,670.11 = 13,699.80 : x
  2. Step 2: Convert to fraction form
    41,779.08/62,670.11 = 13,699.80/x
  3. Step 3: Cross multiply
    41,779.08x = 62,670.11 × 13,699.80
  4. Step 4: Simplify right side
    41,779.08x = 858,567,904.48
  5. Step 5: Solve for x
    x = 858,567,904.48/41,779.08
  6. Step 6: Final answer
    x = 20,550.19

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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.