Home / 52,790.92-79,076.18-31,663.96

Finding the Fourth Proportional to 52,790.92, 79,076.18 and 31,663.96

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Solution

The fourth proportional to 52,790.92, 79,076.18 and 31,663.96 is: 47,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,790.92 : 79,076.18 = 31,663.96 : x
  2. Step 2: Convert to fraction form
    52,790.92/79,076.18 = 31,663.96/x
  3. Step 3: Cross multiply
    52,790.92x = 79,076.18 × 31,663.96
  4. Step 4: Simplify right side
    52,790.92x = 2,503,865,000.47
  5. Step 5: Solve for x
    x = 2,503,865,000.47/52,790.92
  6. Step 6: Final answer
    x = 47,429.84

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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.