Home / 43,310.66-64,975.70-13,730.27

Finding the Fourth Proportional to 43,310.66, 64,975.70 and 13,730.27

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Solution

The fourth proportional to 43,310.66, 64,975.70 and 13,730.27 is: 20,598.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,310.66 : 64,975.70 = 13,730.27 : x
  2. Step 2: Convert to fraction form
    43,310.66/64,975.70 = 13,730.27/x
  3. Step 3: Cross multiply
    43,310.66x = 64,975.70 × 13,730.27
  4. Step 4: Simplify right side
    43,310.66x = 892,133,613.89
  5. Step 5: Solve for x
    x = 892,133,613.89/43,310.66
  6. Step 6: Final answer
    x = 20,598.48

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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.