Home / 50,179.17-75,268.79-12,742.05

Finding the Fourth Proportional to 50,179.17, 75,268.79 and 12,742.05

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Solution

The fourth proportional to 50,179.17, 75,268.79 and 12,742.05 is: 19,113.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,179.17 : 75,268.79 = 12,742.05 : x
  2. Step 2: Convert to fraction form
    50,179.17/75,268.79 = 12,742.05/x
  3. Step 3: Cross multiply
    50,179.17x = 75,268.79 × 12,742.05
  4. Step 4: Simplify right side
    50,179.17x = 959,078,621.91
  5. Step 5: Solve for x
    x = 959,078,621.91/50,179.17
  6. Step 6: Final answer
    x = 19,113.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.