Home / 82,311.13-113,588.53-48,313.59

Finding the Fourth Proportional to 82,311.13, 113,588.53 and 48,313.59

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Solution

The fourth proportional to 82,311.13, 113,588.53 and 48,313.59 is: 66,672.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,311.13 : 113,588.53 = 48,313.59 : x
  2. Step 2: Convert to fraction form
    82,311.13/113,588.53 = 48,313.59/x
  3. Step 3: Cross multiply
    82,311.13x = 113,588.53 × 48,313.59
  4. Step 4: Simplify right side
    82,311.13x = 5,487,869,667.12
  5. Step 5: Solve for x
    x = 5,487,869,667.12/82,311.13
  6. Step 6: Final answer
    x = 66,672.27

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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.