Home / 82,588.67-113,962.19-50,311.57

Finding the Fourth Proportional to 82,588.67, 113,962.19 and 50,311.57

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Solution

The fourth proportional to 82,588.67, 113,962.19 and 50,311.57 is: 69,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,588.67 : 113,962.19 = 50,311.57 : x
  2. Step 2: Convert to fraction form
    82,588.67/113,962.19 = 50,311.57/x
  3. Step 3: Cross multiply
    82,588.67x = 113,962.19 × 50,311.57
  4. Step 4: Simplify right side
    82,588.67x = 5,733,616,540.41
  5. Step 5: Solve for x
    x = 5,733,616,540.41/82,588.67
  6. Step 6: Final answer
    x = 69,423.77

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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.