Home / 79,229-109,318.96-46,973.80

Finding the Fourth Proportional to 79,229, 109,318.96 and 46,973.80

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Solution

The fourth proportional to 79,229, 109,318.96 and 46,973.80 is: 64,813.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,229 : 109,318.96 = 46,973.80 : x
  2. Step 2: Convert to fraction form
    79,229/109,318.96 = 46,973.80/x
  3. Step 3: Cross multiply
    79,229x = 109,318.96 × 46,973.80
  4. Step 4: Simplify right side
    79,229x = 5,135,126,963.25
  5. Step 5: Solve for x
    x = 5,135,126,963.25/79,229
  6. Step 6: Final answer
    x = 64,813.73

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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.