Home / 43,098.10-64,647.14-13,518.52

Finding the Fourth Proportional to 43,098.10, 64,647.14 and 13,518.52

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Solution

The fourth proportional to 43,098.10, 64,647.14 and 13,518.52 is: 20,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,098.10 : 64,647.14 = 13,518.52 : x
  2. Step 2: Convert to fraction form
    43,098.10/64,647.14 = 13,518.52/x
  3. Step 3: Cross multiply
    43,098.10x = 64,647.14 × 13,518.52
  4. Step 4: Simplify right side
    43,098.10x = 873,933,655.03
  5. Step 5: Solve for x
    x = 873,933,655.03/43,098.10
  6. Step 6: Final answer
    x = 20,277.78

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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.