Home / 53,979.34-80,971.44-16,536.68

Finding the Fourth Proportional to 53,979.34, 80,971.44 and 16,536.68

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Solution

The fourth proportional to 53,979.34, 80,971.44 and 16,536.68 is: 24,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,979.34 : 80,971.44 = 16,536.68 : x
  2. Step 2: Convert to fraction form
    53,979.34/80,971.44 = 16,536.68/x
  3. Step 3: Cross multiply
    53,979.34x = 80,971.44 × 16,536.68
  4. Step 4: Simplify right side
    53,979.34x = 1,338,998,792.42
  5. Step 5: Solve for x
    x = 1,338,998,792.42/53,979.34
  6. Step 6: Final answer
    x = 24,805.76

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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.