Home / 91,704.72-126,563.40-59,965.68

Finding the Fourth Proportional to 91,704.72, 126,563.40 and 59,965.68

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Solution

The fourth proportional to 91,704.72, 126,563.40 and 59,965.68 is: 82,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,704.72 : 126,563.40 = 59,965.68 : x
  2. Step 2: Convert to fraction form
    91,704.72/126,563.40 = 59,965.68/x
  3. Step 3: Cross multiply
    91,704.72x = 126,563.40 × 59,965.68
  4. Step 4: Simplify right side
    91,704.72x = 7,589,460,344.11
  5. Step 5: Solve for x
    x = 7,589,460,344.11/91,704.72
  6. Step 6: Final answer
    x = 82,759.76

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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.