Home / 55,088.68-82,632.30-13,536.04

Finding the Fourth Proportional to 55,088.68, 82,632.30 and 13,536.04

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Solution

The fourth proportional to 55,088.68, 82,632.30 and 13,536.04 is: 20,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,088.68 : 82,632.30 = 13,536.04 : x
  2. Step 2: Convert to fraction form
    55,088.68/82,632.30 = 13,536.04/x
  3. Step 3: Cross multiply
    55,088.68x = 82,632.30 × 13,536.04
  4. Step 4: Simplify right side
    55,088.68x = 1,118,514,118.09
  5. Step 5: Solve for x
    x = 1,118,514,118.09/55,088.68
  6. Step 6: Final answer
    x = 20,303.88

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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.