Home / 43,170.78-64,751.49-11,584.02

Finding the Fourth Proportional to 43,170.78, 64,751.49 and 11,584.02

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Solution

The fourth proportional to 43,170.78, 64,751.49 and 11,584.02 is: 17,374.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,170.78 : 64,751.49 = 11,584.02 : x
  2. Step 2: Convert to fraction form
    43,170.78/64,751.49 = 11,584.02/x
  3. Step 3: Cross multiply
    43,170.78x = 64,751.49 × 11,584.02
  4. Step 4: Simplify right side
    43,170.78x = 750,082,555.19
  5. Step 5: Solve for x
    x = 750,082,555.19/43,170.78
  6. Step 6: Final answer
    x = 17,374.77

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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.