Home / 43,403.06-65,104.59-13,829.96

Finding the Fourth Proportional to 43,403.06, 65,104.59 and 13,829.96

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Solution

The fourth proportional to 43,403.06, 65,104.59 and 13,829.96 is: 20,744.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,403.06 : 65,104.59 = 13,829.96 : x
  2. Step 2: Convert to fraction form
    43,403.06/65,104.59 = 13,829.96/x
  3. Step 3: Cross multiply
    43,403.06x = 65,104.59 × 13,829.96
  4. Step 4: Simplify right side
    43,403.06x = 900,393,875.52
  5. Step 5: Solve for x
    x = 900,393,875.52/43,403.06
  6. Step 6: Final answer
    x = 20,744.94

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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.