Home / 86,234.14-119,000.10-47,992.42

Finding the Fourth Proportional to 86,234.14, 119,000.10 and 47,992.42

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Solution

The fourth proportional to 86,234.14, 119,000.10 and 47,992.42 is: 66,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,234.14 : 119,000.10 = 47,992.42 : x
  2. Step 2: Convert to fraction form
    86,234.14/119,000.10 = 47,992.42/x
  3. Step 3: Cross multiply
    86,234.14x = 119,000.10 × 47,992.42
  4. Step 4: Simplify right side
    86,234.14x = 5,711,102,779.24
  5. Step 5: Solve for x
    x = 5,711,102,779.24/86,234.14
  6. Step 6: Final answer
    x = 66,227.86

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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.