Home / 96,949.80-145,424.70-57,628.20

Finding the Fourth Proportional to 96,949.80, 145,424.70 and 57,628.20

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Solution

The fourth proportional to 96,949.80, 145,424.70 and 57,628.20 is: 86,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,949.80 : 145,424.70 = 57,628.20 : x
  2. Step 2: Convert to fraction form
    96,949.80/145,424.70 = 57,628.20/x
  3. Step 3: Cross multiply
    96,949.80x = 145,424.70 × 57,628.20
  4. Step 4: Simplify right side
    96,949.80x = 8,380,563,696.54
  5. Step 5: Solve for x
    x = 8,380,563,696.54/96,949.80
  6. Step 6: Final answer
    x = 86,442.30

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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.