Home / 53,581.10-80,385.09-16,140.38

Finding the Fourth Proportional to 53,581.10, 80,385.09 and 16,140.38

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Solution

The fourth proportional to 53,581.10, 80,385.09 and 16,140.38 is: 24,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,581.10 : 80,385.09 = 16,140.38 : x
  2. Step 2: Convert to fraction form
    53,581.10/80,385.09 = 16,140.38/x
  3. Step 3: Cross multiply
    53,581.10x = 80,385.09 × 16,140.38
  4. Step 4: Simplify right side
    53,581.10x = 1,297,445,898.93
  5. Step 5: Solve for x
    x = 1,297,445,898.93/53,581.10
  6. Step 6: Final answer
    x = 24,214.62

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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.