Home / 49,918.64-68,881.20-29,777.92

Finding the Fourth Proportional to 49,918.64, 68,881.20 and 29,777.92

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Solution

The fourth proportional to 49,918.64, 68,881.20 and 29,777.92 is: 41,089.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,918.64 : 68,881.20 = 29,777.92 : x
  2. Step 2: Convert to fraction form
    49,918.64/68,881.20 = 29,777.92/x
  3. Step 3: Cross multiply
    49,918.64x = 68,881.20 × 29,777.92
  4. Step 4: Simplify right side
    49,918.64x = 2,051,138,863.10
  5. Step 5: Solve for x
    x = 2,051,138,863.10/49,918.64
  6. Step 6: Final answer
    x = 41,089.64

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1.5x scale

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.