Home / 79,549.04-109,778.07-43,741.35

Finding the Fourth Proportional to 79,549.04, 109,778.07 and 43,741.35

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Solution

The fourth proportional to 79,549.04, 109,778.07 and 43,741.35 is: 60,363.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,549.04 : 109,778.07 = 43,741.35 : x
  2. Step 2: Convert to fraction form
    79,549.04/109,778.07 = 43,741.35/x
  3. Step 3: Cross multiply
    79,549.04x = 109,778.07 × 43,741.35
  4. Step 4: Simplify right side
    79,549.04x = 4,801,840,982.19
  5. Step 5: Solve for x
    x = 4,801,840,982.19/79,549.04
  6. Step 6: Final answer
    x = 60,363.28

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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.