Home / 55,080.22-82,620.18-15,637.36

Finding the Fourth Proportional to 55,080.22, 82,620.18 and 15,637.36

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Solution

The fourth proportional to 55,080.22, 82,620.18 and 15,637.36 is: 23,456.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,080.22 : 82,620.18 = 15,637.36 : x
  2. Step 2: Convert to fraction form
    55,080.22/82,620.18 = 15,637.36/x
  3. Step 3: Cross multiply
    55,080.22x = 82,620.18 × 15,637.36
  4. Step 4: Simplify right side
    55,080.22x = 1,291,961,497.92
  5. Step 5: Solve for x
    x = 1,291,961,497.92/55,080.22
  6. Step 6: Final answer
    x = 23,456.00

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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.