Home / 55,261.06-82,867.23-15,809.20

Finding the Fourth Proportional to 55,261.06, 82,867.23 and 15,809.20

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Solution

The fourth proportional to 55,261.06, 82,867.23 and 15,809.20 is: 23,706.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,261.06 : 82,867.23 = 15,809.20 : x
  2. Step 2: Convert to fraction form
    55,261.06/82,867.23 = 15,809.20/x
  3. Step 3: Cross multiply
    55,261.06x = 82,867.23 × 15,809.20
  4. Step 4: Simplify right side
    55,261.06x = 1,310,064,612.52
  5. Step 5: Solve for x
    x = 1,310,064,612.52/55,261.06
  6. Step 6: Final answer
    x = 23,706.83

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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.