Home / 79,135.94-109,207.62-43,328.26

Finding the Fourth Proportional to 79,135.94, 109,207.62 and 43,328.26

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Solution

The fourth proportional to 79,135.94, 109,207.62 and 43,328.26 is: 59,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,135.94 : 109,207.62 = 43,328.26 : x
  2. Step 2: Convert to fraction form
    79,135.94/109,207.62 = 43,328.26/x
  3. Step 3: Cross multiply
    79,135.94x = 109,207.62 × 43,328.26
  4. Step 4: Simplify right side
    79,135.94x = 4,731,776,153.34
  5. Step 5: Solve for x
    x = 4,731,776,153.34/79,135.94
  6. Step 6: Final answer
    x = 59,793.01

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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.