Home / 55,246.12-82,872-15,809.08

Finding the Fourth Proportional to 55,246.12, 82,872 and 15,809.08

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Solution

The fourth proportional to 55,246.12, 82,872 and 15,809.08 is: 23,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,246.12 : 82,872 = 15,809.08 : x
  2. Step 2: Convert to fraction form
    55,246.12/82,872 = 15,809.08/x
  3. Step 3: Cross multiply
    55,246.12x = 82,872 × 15,809.08
  4. Step 4: Simplify right side
    55,246.12x = 1,310,130,077.76
  5. Step 5: Solve for x
    x = 1,310,130,077.76/55,246.12
  6. Step 6: Final answer
    x = 23,714.43

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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.