Home / 79,599.31-109,771.65-50,928.04

Finding the Fourth Proportional to 79,599.31, 109,771.65 and 50,928.04

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Solution

The fourth proportional to 79,599.31, 109,771.65 and 50,928.04 is: 70,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,599.31 : 109,771.65 = 50,928.04 : x
  2. Step 2: Convert to fraction form
    79,599.31/109,771.65 = 50,928.04/x
  3. Step 3: Cross multiply
    79,599.31x = 109,771.65 × 50,928.04
  4. Step 4: Simplify right side
    79,599.31x = 5,590,455,119.28
  5. Step 5: Solve for x
    x = 5,590,455,119.28/79,599.31
  6. Step 6: Final answer
    x = 70,232.46

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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.