Home / 79,392.84-109,556.10-43,577.16

Finding the Fourth Proportional to 79,392.84, 109,556.10 and 43,577.16

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Solution

The fourth proportional to 79,392.84, 109,556.10 and 43,577.16 is: 60,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,392.84 : 109,556.10 = 43,577.16 : x
  2. Step 2: Convert to fraction form
    79,392.84/109,556.10 = 43,577.16/x
  3. Step 3: Cross multiply
    79,392.84x = 109,556.10 × 43,577.16
  4. Step 4: Simplify right side
    79,392.84x = 4,774,143,698.68
  5. Step 5: Solve for x
    x = 4,774,143,698.68/79,392.84
  6. Step 6: Final answer
    x = 60,133.18

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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.