Home / 91,977.66-126,932.67-56,183.76

Finding the Fourth Proportional to 91,977.66, 126,932.67 and 56,183.76

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Solution

The fourth proportional to 91,977.66, 126,932.67 and 56,183.76 is: 77,535.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,977.66 : 126,932.67 = 56,183.76 : x
  2. Step 2: Convert to fraction form
    91,977.66/126,932.67 = 56,183.76/x
  3. Step 3: Cross multiply
    91,977.66x = 126,932.67 × 56,183.76
  4. Step 4: Simplify right side
    91,977.66x = 7,131,554,667.44
  5. Step 5: Solve for x
    x = 7,131,554,667.44/91,977.66
  6. Step 6: Final answer
    x = 77,535.73

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1.5x scale

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.