Home / 47,666.96-71,472.40-18,086.87

Finding the Fourth Proportional to 47,666.96, 71,472.40 and 18,086.87

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Solution

The fourth proportional to 47,666.96, 71,472.40 and 18,086.87 is: 27,119.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,666.96 : 71,472.40 = 18,086.87 : x
  2. Step 2: Convert to fraction form
    47,666.96/71,472.40 = 18,086.87/x
  3. Step 3: Cross multiply
    47,666.96x = 71,472.40 × 18,086.87
  4. Step 4: Simplify right side
    47,666.96x = 1,292,711,990.71
  5. Step 5: Solve for x
    x = 1,292,711,990.71/47,666.96
  6. Step 6: Final answer
    x = 27,119.67

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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.