Home / 43,106.00-64,636.11-38,120.45

Finding the Fourth Proportional to 43,106.00, 64,636.11 and 38,120.45

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Solution

The fourth proportional to 43,106.00, 64,636.11 and 38,120.45 is: 57,160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,106.00 : 64,636.11 = 38,120.45 : x
  2. Step 2: Convert to fraction form
    43,106.00/64,636.11 = 38,120.45/x
  3. Step 3: Cross multiply
    43,106.00x = 64,636.11 × 38,120.45
  4. Step 4: Simplify right side
    43,106.00x = 2,463,957,276.27
  5. Step 5: Solve for x
    x = 2,463,957,276.27/43,106.00
  6. Step 6: Final answer
    x = 57,160.43

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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.