Home / 58,310.20-87,335.70-47,942.20

Finding the Fourth Proportional to 58,310.20, 87,335.70 and 47,942.20

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Solution

The fourth proportional to 58,310.20, 87,335.70 and 47,942.20 is: 71,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,310.20 : 87,335.70 = 47,942.20 : x
  2. Step 2: Convert to fraction form
    58,310.20/87,335.70 = 47,942.20/x
  3. Step 3: Cross multiply
    58,310.20x = 87,335.70 × 47,942.20
  4. Step 4: Simplify right side
    58,310.20x = 4,187,065,596.54
  5. Step 5: Solve for x
    x = 4,187,065,596.54/58,310.20
  6. Step 6: Final answer
    x = 71,806.74

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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.