Home / 43,328.42-64,987.70-11,736.66

Finding the Fourth Proportional to 43,328.42, 64,987.70 and 11,736.66

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Solution

The fourth proportional to 43,328.42, 64,987.70 and 11,736.66 is: 17,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,328.42 : 64,987.70 = 11,736.66 : x
  2. Step 2: Convert to fraction form
    43,328.42/64,987.70 = 11,736.66/x
  3. Step 3: Cross multiply
    43,328.42x = 64,987.70 × 11,736.66
  4. Step 4: Simplify right side
    43,328.42x = 762,738,480.40
  5. Step 5: Solve for x
    x = 762,738,480.40/43,328.42
  6. Step 6: Final answer
    x = 17,603.66

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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.