Home / 65,218.70-97,828.05-50,456.45

Finding the Fourth Proportional to 65,218.70, 97,828.05 and 50,456.45

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Solution

The fourth proportional to 65,218.70, 97,828.05 and 50,456.45 is: 75,684.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,218.70 : 97,828.05 = 50,456.45 : x
  2. Step 2: Convert to fraction form
    65,218.70/97,828.05 = 50,456.45/x
  3. Step 3: Cross multiply
    65,218.70x = 97,828.05 × 50,456.45
  4. Step 4: Simplify right side
    65,218.70x = 4,936,056,113.42
  5. Step 5: Solve for x
    x = 4,936,056,113.42/65,218.70
  6. Step 6: Final answer
    x = 75,684.68

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Similar ratio
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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.