Home / 47,953.12-71,929.68-16,781.08

Finding the Fourth Proportional to 47,953.12, 71,929.68 and 16,781.08

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Solution

The fourth proportional to 47,953.12, 71,929.68 and 16,781.08 is: 25,171.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,953.12 : 71,929.68 = 16,781.08 : x
  2. Step 2: Convert to fraction form
    47,953.12/71,929.68 = 16,781.08/x
  3. Step 3: Cross multiply
    47,953.12x = 71,929.68 × 16,781.08
  4. Step 4: Simplify right side
    47,953.12x = 1,207,057,714.45
  5. Step 5: Solve for x
    x = 1,207,057,714.45/47,953.12
  6. Step 6: Final answer
    x = 25,171.62

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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.