Home / 85,234.38-117,623.99-47,511.02

Finding the Fourth Proportional to 85,234.38, 117,623.99 and 47,511.02

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Solution

The fourth proportional to 85,234.38, 117,623.99 and 47,511.02 is: 65,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,234.38 : 117,623.99 = 47,511.02 : x
  2. Step 2: Convert to fraction form
    85,234.38/117,623.99 = 47,511.02/x
  3. Step 3: Cross multiply
    85,234.38x = 117,623.99 × 47,511.02
  4. Step 4: Simplify right side
    85,234.38x = 5,588,435,741.37
  5. Step 5: Solve for x
    x = 5,588,435,741.37/85,234.38
  6. Step 6: Final answer
    x = 65,565.51

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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.