Home / 82,296.38-123,444.16-28,975.70

Finding the Fourth Proportional to 82,296.38, 123,444.16 and 28,975.70

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Solution

The fourth proportional to 82,296.38, 123,444.16 and 28,975.70 is: 43,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,296.38 : 123,444.16 = 28,975.70 : x
  2. Step 2: Convert to fraction form
    82,296.38/123,444.16 = 28,975.70/x
  3. Step 3: Cross multiply
    82,296.38x = 123,444.16 × 28,975.70
  4. Step 4: Simplify right side
    82,296.38x = 3,576,880,946.91
  5. Step 5: Solve for x
    x = 3,576,880,946.91/82,296.38
  6. Step 6: Final answer
    x = 43,463.41

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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.