Home / 53,111.20-79,677.68-44,406.96

Finding the Fourth Proportional to 53,111.20, 79,677.68 and 44,406.96

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Solution

The fourth proportional to 53,111.20, 79,677.68 and 44,406.96 is: 66,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,111.20 : 79,677.68 = 44,406.96 : x
  2. Step 2: Convert to fraction form
    53,111.20/79,677.68 = 44,406.96/x
  3. Step 3: Cross multiply
    53,111.20x = 79,677.68 × 44,406.96
  4. Step 4: Simplify right side
    53,111.20x = 3,538,243,548.65
  5. Step 5: Solve for x
    x = 3,538,243,548.65/53,111.20
  6. Step 6: Final answer
    x = 66,619.54

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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.