Home / 53,786.88-80,663.68-16,345.44

Finding the Fourth Proportional to 53,786.88, 80,663.68 and 16,345.44

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Solution

The fourth proportional to 53,786.88, 80,663.68 and 16,345.44 is: 24,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,786.88 : 80,663.68 = 16,345.44 : x
  2. Step 2: Convert to fraction form
    53,786.88/80,663.68 = 16,345.44/x
  3. Step 3: Cross multiply
    53,786.88x = 80,663.68 × 16,345.44
  4. Step 4: Simplify right side
    53,786.88x = 1,318,483,341.62
  5. Step 5: Solve for x
    x = 1,318,483,341.62/53,786.88
  6. Step 6: Final answer
    x = 24,513.10

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1.5x scale

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.