Home / 82,773.57-124,178.87-30,183.06

Finding the Fourth Proportional to 82,773.57, 124,178.87 and 30,183.06

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Solution

The fourth proportional to 82,773.57, 124,178.87 and 30,183.06 is: 45,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,773.57 : 124,178.87 = 30,183.06 : x
  2. Step 2: Convert to fraction form
    82,773.57/124,178.87 = 30,183.06/x
  3. Step 3: Cross multiply
    82,773.57x = 124,178.87 × 30,183.06
  4. Step 4: Simplify right side
    82,773.57x = 3,748,098,359.40
  5. Step 5: Solve for x
    x = 3,748,098,359.40/82,773.57
  6. Step 6: Final answer
    x = 45,281.34

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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.