Home / 55,590.93-76,717.44-30,440.43

Finding the Fourth Proportional to 55,590.93, 76,717.44 and 30,440.43

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Solution

The fourth proportional to 55,590.93, 76,717.44 and 30,440.43 is: 42,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,590.93 : 76,717.44 = 30,440.43 : x
  2. Step 2: Convert to fraction form
    55,590.93/76,717.44 = 30,440.43/x
  3. Step 3: Cross multiply
    55,590.93x = 76,717.44 × 30,440.43
  4. Step 4: Simplify right side
    55,590.93x = 2,335,311,862.10
  5. Step 5: Solve for x
    x = 2,335,311,862.10/55,590.93
  6. Step 6: Final answer
    x = 42,008.86

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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.