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Finding the Fourth Proportional to 50,132.82, 69,274.53 and 47,703.54

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Solution

The fourth proportional to 50,132.82, 69,274.53 and 47,703.54 is: 65,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,132.82 : 69,274.53 = 47,703.54 : x
  2. Step 2: Convert to fraction form
    50,132.82/69,274.53 = 47,703.54/x
  3. Step 3: Cross multiply
    50,132.82x = 69,274.53 × 47,703.54
  4. Step 4: Simplify right side
    50,132.82x = 3,304,640,312.84
  5. Step 5: Solve for x
    x = 3,304,640,312.84/50,132.82
  6. Step 6: Final answer
    x = 65,917.70

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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.