Home / 62,434.34-86,135.31-38,519.54

Finding the Fourth Proportional to 62,434.34, 86,135.31 and 38,519.54

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Solution

The fourth proportional to 62,434.34, 86,135.31 and 38,519.54 is: 53,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,434.34 : 86,135.31 = 38,519.54 : x
  2. Step 2: Convert to fraction form
    62,434.34/86,135.31 = 38,519.54/x
  3. Step 3: Cross multiply
    62,434.34x = 86,135.31 × 38,519.54
  4. Step 4: Simplify right side
    62,434.34x = 3,317,892,518.96
  5. Step 5: Solve for x
    x = 3,317,892,518.96/62,434.34
  6. Step 6: Final answer
    x = 53,142.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.