Home / 53,666.56-80,311.50-43,110.64

Finding the Fourth Proportional to 53,666.56, 80,311.50 and 43,110.64

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Solution

The fourth proportional to 53,666.56, 80,311.50 and 43,110.64 is: 64,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,666.56 : 80,311.50 = 43,110.64 : x
  2. Step 2: Convert to fraction form
    53,666.56/80,311.50 = 43,110.64/x
  3. Step 3: Cross multiply
    53,666.56x = 80,311.50 × 43,110.64
  4. Step 4: Simplify right side
    53,666.56x = 3,462,280,164.36
  5. Step 5: Solve for x
    x = 3,462,280,164.36/53,666.56
  6. Step 6: Final answer
    x = 64,514.67

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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.