Home / 55,632.12-83,453.32-18,192.40

Finding the Fourth Proportional to 55,632.12, 83,453.32 and 18,192.40

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Solution

The fourth proportional to 55,632.12, 83,453.32 and 18,192.40 is: 27,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,632.12 : 83,453.32 = 18,192.40 : x
  2. Step 2: Convert to fraction form
    55,632.12/83,453.32 = 18,192.40/x
  3. Step 3: Cross multiply
    55,632.12x = 83,453.32 × 18,192.40
  4. Step 4: Simplify right side
    55,632.12x = 1,518,215,992.88
  5. Step 5: Solve for x
    x = 1,518,215,992.88/55,632.12
  6. Step 6: Final answer
    x = 27,290.28

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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.