Home / 124,844.45-172,287.06-73,855.87

Finding the Fourth Proportional to 124,844.45, 172,287.06 and 73,855.87

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Solution

The fourth proportional to 124,844.45, 172,287.06 and 73,855.87 is: 101,922.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,844.45 : 172,287.06 = 73,855.87 : x
  2. Step 2: Convert to fraction form
    124,844.45/172,287.06 = 73,855.87/x
  3. Step 3: Cross multiply
    124,844.45x = 172,287.06 × 73,855.87
  4. Step 4: Simplify right side
    124,844.45x = 12,724,409,690.69
  5. Step 5: Solve for x
    x = 12,724,409,690.69/124,844.45
  6. Step 6: Final answer
    x = 101,922.11

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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.