Home / 47,666.20-71,499.30-12,609.40

Finding the Fourth Proportional to 47,666.20, 71,499.30 and 12,609.40

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Solution

The fourth proportional to 47,666.20, 71,499.30 and 12,609.40 is: 18,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,666.20 : 71,499.30 = 12,609.40 : x
  2. Step 2: Convert to fraction form
    47,666.20/71,499.30 = 12,609.40/x
  3. Step 3: Cross multiply
    47,666.20x = 71,499.30 × 12,609.40
  4. Step 4: Simplify right side
    47,666.20x = 901,563,273.42
  5. Step 5: Solve for x
    x = 901,563,273.42/47,666.20
  6. Step 6: Final answer
    x = 18,914.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.