Home / 49,781.16-68,675.52-32,780.88

Finding the Fourth Proportional to 49,781.16, 68,675.52 and 32,780.88

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Solution

The fourth proportional to 49,781.16, 68,675.52 and 32,780.88 is: 45,222.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,781.16 : 68,675.52 = 32,780.88 : x
  2. Step 2: Convert to fraction form
    49,781.16/68,675.52 = 32,780.88/x
  3. Step 3: Cross multiply
    49,781.16x = 68,675.52 × 32,780.88
  4. Step 4: Simplify right side
    49,781.16x = 2,251,243,980.06
  5. Step 5: Solve for x
    x = 2,251,243,980.06/49,781.16
  6. Step 6: Final answer
    x = 45,222.81

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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.