Home / 62,634.70-93,961.77-21,078.46

Finding the Fourth Proportional to 62,634.70, 93,961.77 and 21,078.46

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Solution

The fourth proportional to 62,634.70, 93,961.77 and 21,078.46 is: 31,620.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,634.70 : 93,961.77 = 21,078.46 : x
  2. Step 2: Convert to fraction form
    62,634.70/93,961.77 = 21,078.46/x
  3. Step 3: Cross multiply
    62,634.70x = 93,961.77 × 21,078.46
  4. Step 4: Simplify right side
    62,634.70x = 1,980,569,410.47
  5. Step 5: Solve for x
    x = 1,980,569,410.47/62,634.70
  6. Step 6: Final answer
    x = 31,620.96

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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.