Home / 79,283.75-109,401.54-43,464.35

Finding the Fourth Proportional to 79,283.75, 109,401.54 and 43,464.35

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Solution

The fourth proportional to 79,283.75, 109,401.54 and 43,464.35 is: 59,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,283.75 : 109,401.54 = 43,464.35 : x
  2. Step 2: Convert to fraction form
    79,283.75/109,401.54 = 43,464.35/x
  3. Step 3: Cross multiply
    79,283.75x = 109,401.54 × 43,464.35
  4. Step 4: Simplify right side
    79,283.75x = 4,755,066,825.10
  5. Step 5: Solve for x
    x = 4,755,066,825.10/79,283.75
  6. Step 6: Final answer
    x = 59,975.30

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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.