Home / 43,412.98-65,122-16,759.11

Finding the Fourth Proportional to 43,412.98, 65,122 and 16,759.11

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Solution

The fourth proportional to 43,412.98, 65,122 and 16,759.11 is: 25,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,412.98 : 65,122 = 16,759.11 : x
  2. Step 2: Convert to fraction form
    43,412.98/65,122 = 16,759.11/x
  3. Step 3: Cross multiply
    43,412.98x = 65,122 × 16,759.11
  4. Step 4: Simplify right side
    43,412.98x = 1,091,386,761.42
  5. Step 5: Solve for x
    x = 1,091,386,761.42/43,412.98
  6. Step 6: Final answer
    x = 25,139.64

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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.