Home / 47,818.22-71,661.70-30,256.61

Finding the Fourth Proportional to 47,818.22, 71,661.70 and 30,256.61

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Solution

The fourth proportional to 47,818.22, 71,661.70 and 30,256.61 is: 45,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,818.22 : 71,661.70 = 30,256.61 : x
  2. Step 2: Convert to fraction form
    47,818.22/71,661.70 = 30,256.61/x
  3. Step 3: Cross multiply
    47,818.22x = 71,661.70 × 30,256.61
  4. Step 4: Simplify right side
    47,818.22x = 2,168,239,788.35
  5. Step 5: Solve for x
    x = 2,168,239,788.35/47,818.22
  6. Step 6: Final answer
    x = 45,343.39

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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.