Home / 43,209.90-64,788.93-16,883.28

Finding the Fourth Proportional to 43,209.90, 64,788.93 and 16,883.28

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Solution

The fourth proportional to 43,209.90, 64,788.93 and 16,883.28 is: 25,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,209.90 : 64,788.93 = 16,883.28 : x
  2. Step 2: Convert to fraction form
    43,209.90/64,788.93 = 16,883.28/x
  3. Step 3: Cross multiply
    43,209.90x = 64,788.93 × 16,883.28
  4. Step 4: Simplify right side
    43,209.90x = 1,093,849,646.09
  5. Step 5: Solve for x
    x = 1,093,849,646.09/43,209.90
  6. Step 6: Final answer
    x = 25,314.79

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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.