Home / 61,936.35-85,507.64-40,777.13

Finding the Fourth Proportional to 61,936.35, 85,507.64 and 40,777.13

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Solution

The fourth proportional to 61,936.35, 85,507.64 and 40,777.13 is: 56,295.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,936.35 : 85,507.64 = 40,777.13 : x
  2. Step 2: Convert to fraction form
    61,936.35/85,507.64 = 40,777.13/x
  3. Step 3: Cross multiply
    61,936.35x = 85,507.64 × 40,777.13
  4. Step 4: Simplify right side
    61,936.35x = 3,486,755,520.85
  5. Step 5: Solve for x
    x = 3,486,755,520.85/61,936.35
  6. Step 6: Final answer
    x = 56,295.79

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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.