Home / 82,576.13-123,836.87-31,951.67

Finding the Fourth Proportional to 82,576.13, 123,836.87 and 31,951.67

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Solution

The fourth proportional to 82,576.13, 123,836.87 and 31,951.67 is: 47,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,576.13 : 123,836.87 = 31,951.67 : x
  2. Step 2: Convert to fraction form
    82,576.13/123,836.87 = 31,951.67/x
  3. Step 3: Cross multiply
    82,576.13x = 123,836.87 × 31,951.67
  4. Step 4: Simplify right side
    82,576.13x = 3,956,794,264.77
  5. Step 5: Solve for x
    x = 3,956,794,264.77/82,576.13
  6. Step 6: Final answer
    x = 47,916.93

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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.