Home / 45,243.99-67,871.22-17,185.08

Finding the Fourth Proportional to 45,243.99, 67,871.22 and 17,185.08

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Solution

The fourth proportional to 45,243.99, 67,871.22 and 17,185.08 is: 25,779.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,243.99 : 67,871.22 = 17,185.08 : x
  2. Step 2: Convert to fraction form
    45,243.99/67,871.22 = 17,185.08/x
  3. Step 3: Cross multiply
    45,243.99x = 67,871.22 × 17,185.08
  4. Step 4: Simplify right side
    45,243.99x = 1,166,372,345.40
  5. Step 5: Solve for x
    x = 1,166,372,345.40/45,243.99
  6. Step 6: Final answer
    x = 25,779.61

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1.5x scale

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.