Home / 106,964.54-147,605.45-58,557.20

Finding the Fourth Proportional to 106,964.54, 147,605.45 and 58,557.20

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Solution

The fourth proportional to 106,964.54, 147,605.45 and 58,557.20 is: 80,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,964.54 : 147,605.45 = 58,557.20 : x
  2. Step 2: Convert to fraction form
    106,964.54/147,605.45 = 58,557.20/x
  3. Step 3: Cross multiply
    106,964.54x = 147,605.45 × 58,557.20
  4. Step 4: Simplify right side
    106,964.54x = 8,643,361,563.95
  5. Step 5: Solve for x
    x = 8,643,361,563.95/106,964.54
  6. Step 6: Final answer
    x = 80,805.86

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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.