Home / 43,188.39-64,699.97-38,133.99

Finding the Fourth Proportional to 43,188.39, 64,699.97 and 38,133.99

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Solution

The fourth proportional to 43,188.39, 64,699.97 and 38,133.99 is: 57,128.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,188.39 : 64,699.97 = 38,133.99 : x
  2. Step 2: Convert to fraction form
    43,188.39/64,699.97 = 38,133.99/x
  3. Step 3: Cross multiply
    43,188.39x = 64,699.97 × 38,133.99
  4. Step 4: Simplify right side
    43,188.39x = 2,467,267,818.31
  5. Step 5: Solve for x
    x = 2,467,267,818.31/43,188.39
  6. Step 6: Final answer
    x = 57,128.03

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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.