Home / 47,805.45-71,708.15-22,769.61

Finding the Fourth Proportional to 47,805.45, 71,708.15 and 22,769.61

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Solution

The fourth proportional to 47,805.45, 71,708.15 and 22,769.61 is: 34,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,805.45 : 71,708.15 = 22,769.61 : x
  2. Step 2: Convert to fraction form
    47,805.45/71,708.15 = 22,769.61/x
  3. Step 3: Cross multiply
    47,805.45x = 71,708.15 × 22,769.61
  4. Step 4: Simplify right side
    47,805.45x = 1,632,766,495.47
  5. Step 5: Solve for x
    x = 1,632,766,495.47/47,805.45
  6. Step 6: Final answer
    x = 34,154.40

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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.