Home / 43,106.76-64,667.43-19,735.02

Finding the Fourth Proportional to 43,106.76, 64,667.43 and 19,735.02

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Solution

The fourth proportional to 43,106.76, 64,667.43 and 19,735.02 is: 29,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,106.76 : 64,667.43 = 19,735.02 : x
  2. Step 2: Convert to fraction form
    43,106.76/64,667.43 = 19,735.02/x
  3. Step 3: Cross multiply
    43,106.76x = 64,667.43 × 19,735.02
  4. Step 4: Simplify right side
    43,106.76x = 1,276,213,024.40
  5. Step 5: Solve for x
    x = 1,276,213,024.40/43,106.76
  6. Step 6: Final answer
    x = 29,605.87

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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.