Home / 82,727.04-114,139.20-50,901.12

Finding the Fourth Proportional to 82,727.04, 114,139.20 and 50,901.12

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Solution

The fourth proportional to 82,727.04, 114,139.20 and 50,901.12 is: 70,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,727.04 : 114,139.20 = 50,901.12 : x
  2. Step 2: Convert to fraction form
    82,727.04/114,139.20 = 50,901.12/x
  3. Step 3: Cross multiply
    82,727.04x = 114,139.20 × 50,901.12
  4. Step 4: Simplify right side
    82,727.04x = 5,809,813,115.90
  5. Step 5: Solve for x
    x = 5,809,813,115.90/82,727.04
  6. Step 6: Final answer
    x = 70,228.71

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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.