Home / 55,676.16-76,833.04-30,527.28

Finding the Fourth Proportional to 55,676.16, 76,833.04 and 30,527.28

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Solution

The fourth proportional to 55,676.16, 76,833.04 and 30,527.28 is: 42,127.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,676.16 : 76,833.04 = 30,527.28 : x
  2. Step 2: Convert to fraction form
    55,676.16/76,833.04 = 30,527.28/x
  3. Step 3: Cross multiply
    55,676.16x = 76,833.04 × 30,527.28
  4. Step 4: Simplify right side
    55,676.16x = 2,345,503,725.33
  5. Step 5: Solve for x
    x = 2,345,503,725.33/55,676.16
  6. Step 6: Final answer
    x = 42,127.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.