Home / 47,876.34-71,790.21-35,920.74

Finding the Fourth Proportional to 47,876.34, 71,790.21 and 35,920.74

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Solution

The fourth proportional to 47,876.34, 71,790.21 and 35,920.74 is: 53,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,876.34 : 71,790.21 = 35,920.74 : x
  2. Step 2: Convert to fraction form
    47,876.34/71,790.21 = 35,920.74/x
  3. Step 3: Cross multiply
    47,876.34x = 71,790.21 × 35,920.74
  4. Step 4: Simplify right side
    47,876.34x = 2,578,757,467.96
  5. Step 5: Solve for x
    x = 2,578,757,467.96/47,876.34
  6. Step 6: Final answer
    x = 53,862.88

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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.