Home / 124,675.20-171,873.90-76,896.54

Finding the Fourth Proportional to 124,675.20, 171,873.90 and 76,896.54

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Solution

The fourth proportional to 124,675.20, 171,873.90 and 76,896.54 is: 106,007.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,675.20 : 171,873.90 = 76,896.54 : x
  2. Step 2: Convert to fraction form
    124,675.20/171,873.90 = 76,896.54/x
  3. Step 3: Cross multiply
    124,675.20x = 171,873.90 × 76,896.54
  4. Step 4: Simplify right side
    124,675.20x = 13,216,508,226.31
  5. Step 5: Solve for x
    x = 13,216,508,226.31/124,675.20
  6. Step 6: Final answer
    x = 106,007.52

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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.