Home / 43,788.40-65,687.16-14,205.04

Finding the Fourth Proportional to 43,788.40, 65,687.16 and 14,205.04

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Solution

The fourth proportional to 43,788.40, 65,687.16 and 14,205.04 is: 21,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,788.40 : 65,687.16 = 14,205.04 : x
  2. Step 2: Convert to fraction form
    43,788.40/65,687.16 = 14,205.04/x
  3. Step 3: Cross multiply
    43,788.40x = 65,687.16 × 14,205.04
  4. Step 4: Simplify right side
    43,788.40x = 933,088,735.29
  5. Step 5: Solve for x
    x = 933,088,735.29/43,788.40
  6. Step 6: Final answer
    x = 21,309.04

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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.