Home / 91,983.96-126,939.00-55,684.92

Finding the Fourth Proportional to 91,983.96, 126,939.00 and 55,684.92

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Solution

The fourth proportional to 91,983.96, 126,939.00 and 55,684.92 is: 76,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,983.96 : 126,939.00 = 55,684.92 : x
  2. Step 2: Convert to fraction form
    91,983.96/126,939.00 = 55,684.92/x
  3. Step 3: Cross multiply
    91,983.96x = 126,939.00 × 55,684.92
  4. Step 4: Simplify right side
    91,983.96x = 7,068,588,268.70
  5. Step 5: Solve for x
    x = 7,068,588,268.70/91,983.96
  6. Step 6: Final answer
    x = 76,845.88

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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.