Home / 43,679.41-60,197.65-31,721.99

Finding the Fourth Proportional to 43,679.41, 60,197.65 and 31,721.99

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Solution

The fourth proportional to 43,679.41, 60,197.65 and 31,721.99 is: 43,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,679.41 : 60,197.65 = 31,721.99 : x
  2. Step 2: Convert to fraction form
    43,679.41/60,197.65 = 31,721.99/x
  3. Step 3: Cross multiply
    43,679.41x = 60,197.65 × 31,721.99
  4. Step 4: Simplify right side
    43,679.41x = 1,909,588,871.03
  5. Step 5: Solve for x
    x = 1,909,588,871.03/43,679.41
  6. Step 6: Final answer
    x = 43,718.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.