Home / 80,683.08-121,008.24-50,683.92

Finding the Fourth Proportional to 80,683.08, 121,008.24 and 50,683.92

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Solution

The fourth proportional to 80,683.08, 121,008.24 and 50,683.92 is: 76,015.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,683.08 : 121,008.24 = 50,683.92 : x
  2. Step 2: Convert to fraction form
    80,683.08/121,008.24 = 50,683.92/x
  3. Step 3: Cross multiply
    80,683.08x = 121,008.24 × 50,683.92
  4. Step 4: Simplify right side
    80,683.08x = 6,133,171,955.50
  5. Step 5: Solve for x
    x = 6,133,171,955.50/80,683.08
  6. Step 6: Final answer
    x = 76,015.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.