Home / 43,113.62-64,668.62-11,948.06

Finding the Fourth Proportional to 43,113.62, 64,668.62 and 11,948.06

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Solution

The fourth proportional to 43,113.62, 64,668.62 and 11,948.06 is: 17,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,113.62 : 64,668.62 = 11,948.06 : x
  2. Step 2: Convert to fraction form
    43,113.62/64,668.62 = 11,948.06/x
  3. Step 3: Cross multiply
    43,113.62x = 64,668.62 × 11,948.06
  4. Step 4: Simplify right side
    43,113.62x = 772,664,551.88
  5. Step 5: Solve for x
    x = 772,664,551.88/43,113.62
  6. Step 6: Final answer
    x = 17,921.59

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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.