Home / 82,456.34-123,519.63-38,022.26

Finding the Fourth Proportional to 82,456.34, 123,519.63 and 38,022.26

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Solution

The fourth proportional to 82,456.34, 123,519.63 and 38,022.26 is: 56,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,456.34 : 123,519.63 = 38,022.26 : x
  2. Step 2: Convert to fraction form
    82,456.34/123,519.63 = 38,022.26/x
  3. Step 3: Cross multiply
    82,456.34x = 123,519.63 × 38,022.26
  4. Step 4: Simplify right side
    82,456.34x = 4,696,495,486.96
  5. Step 5: Solve for x
    x = 4,696,495,486.96/82,456.34
  6. Step 6: Final answer
    x = 56,957.36

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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.