Home / 43,116.76-64,667.58-11,954.44

Finding the Fourth Proportional to 43,116.76, 64,667.58 and 11,954.44

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Solution

The fourth proportional to 43,116.76, 64,667.58 and 11,954.44 is: 17,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,116.76 : 64,667.58 = 11,954.44 : x
  2. Step 2: Convert to fraction form
    43,116.76/64,667.58 = 11,954.44/x
  3. Step 3: Cross multiply
    43,116.76x = 64,667.58 × 11,954.44
  4. Step 4: Simplify right side
    43,116.76x = 773,064,705.06
  5. Step 5: Solve for x
    x = 773,064,705.06/43,116.76
  6. Step 6: Final answer
    x = 17,929.56

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1.5x scale

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.