Home / 49,656.60-68,514.66-30,784.68

Finding the Fourth Proportional to 49,656.60, 68,514.66 and 30,784.68

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Solution

The fourth proportional to 49,656.60, 68,514.66 and 30,784.68 is: 42,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,656.60 : 68,514.66 = 30,784.68 : x
  2. Step 2: Convert to fraction form
    49,656.60/68,514.66 = 30,784.68/x
  3. Step 3: Cross multiply
    49,656.60x = 68,514.66 × 30,784.68
  4. Step 4: Simplify right side
    49,656.60x = 2,109,201,883.41
  5. Step 5: Solve for x
    x = 2,109,201,883.41/49,656.60
  6. Step 6: Final answer
    x = 42,475.76

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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.