Home / 57,928.47-79,922.71-32,431.09

Finding the Fourth Proportional to 57,928.47, 79,922.71 and 32,431.09

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Solution

The fourth proportional to 57,928.47, 79,922.71 and 32,431.09 is: 44,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,928.47 : 79,922.71 = 32,431.09 : x
  2. Step 2: Convert to fraction form
    57,928.47/79,922.71 = 32,431.09/x
  3. Step 3: Cross multiply
    57,928.47x = 79,922.71 × 32,431.09
  4. Step 4: Simplify right side
    57,928.47x = 2,591,980,441.79
  5. Step 5: Solve for x
    x = 2,591,980,441.79/57,928.47
  6. Step 6: Final answer
    x = 44,744.50

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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.