Home / 45,118.24-67,686.77-13,527.02

Finding the Fourth Proportional to 45,118.24, 67,686.77 and 13,527.02

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Solution

The fourth proportional to 45,118.24, 67,686.77 and 13,527.02 is: 20,293.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,118.24 : 67,686.77 = 13,527.02 : x
  2. Step 2: Convert to fraction form
    45,118.24/67,686.77 = 13,527.02/x
  3. Step 3: Cross multiply
    45,118.24x = 67,686.77 × 13,527.02
  4. Step 4: Simplify right side
    45,118.24x = 915,600,494.56
  5. Step 5: Solve for x
    x = 915,600,494.56/45,118.24
  6. Step 6: Final answer
    x = 20,293.36

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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.