Home / 49,956.53-68,938.02-28,449.20

Finding the Fourth Proportional to 49,956.53, 68,938.02 and 28,449.20

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Solution

The fourth proportional to 49,956.53, 68,938.02 and 28,449.20 is: 39,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,956.53 : 68,938.02 = 28,449.20 : x
  2. Step 2: Convert to fraction form
    49,956.53/68,938.02 = 28,449.20/x
  3. Step 3: Cross multiply
    49,956.53x = 68,938.02 × 28,449.20
  4. Step 4: Simplify right side
    49,956.53x = 1,961,231,690.93
  5. Step 5: Solve for x
    x = 1,961,231,690.93/49,956.53
  6. Step 6: Final answer
    x = 39,258.77

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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.