Home / 55,590.54-76,714.16-30,440.04

Finding the Fourth Proportional to 55,590.54, 76,714.16 and 30,440.04

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Solution

The fourth proportional to 55,590.54, 76,714.16 and 30,440.04 is: 42,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,590.54 : 76,714.16 = 30,440.04 : x
  2. Step 2: Convert to fraction form
    55,590.54/76,714.16 = 30,440.04/x
  3. Step 3: Cross multiply
    55,590.54x = 76,714.16 × 30,440.04
  4. Step 4: Simplify right side
    55,590.54x = 2,335,182,098.97
  5. Step 5: Solve for x
    x = 2,335,182,098.97/55,590.54
  6. Step 6: Final answer
    x = 42,006.83

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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.