Home / 53,981.92-80,969.96-16,542.10

Finding the Fourth Proportional to 53,981.92, 80,969.96 and 16,542.10

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Solution

The fourth proportional to 53,981.92, 80,969.96 and 16,542.10 is: 24,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,981.92 : 80,969.96 = 16,542.10 : x
  2. Step 2: Convert to fraction form
    53,981.92/80,969.96 = 16,542.10/x
  3. Step 3: Cross multiply
    53,981.92x = 80,969.96 × 16,542.10
  4. Step 4: Simplify right side
    53,981.92x = 1,339,412,981.60
  5. Step 5: Solve for x
    x = 1,339,412,981.60/53,981.92
  6. Step 6: Final answer
    x = 24,812.25

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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.