Home / 123,947.04-171,046.98-67,358.28

Finding the Fourth Proportional to 123,947.04, 171,046.98 and 67,358.28

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Solution

The fourth proportional to 123,947.04, 171,046.98 and 67,358.28 is: 92,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,947.04 : 171,046.98 = 67,358.28 : x
  2. Step 2: Convert to fraction form
    123,947.04/171,046.98 = 67,358.28/x
  3. Step 3: Cross multiply
    123,947.04x = 171,046.98 × 67,358.28
  4. Step 4: Simplify right side
    123,947.04x = 11,521,430,371.99
  5. Step 5: Solve for x
    x = 11,521,430,371.99/123,947.04
  6. Step 6: Final answer
    x = 92,954.46

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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.