Home / 61,936.90-85,480.29-36,786.46

Finding the Fourth Proportional to 61,936.90, 85,480.29 and 36,786.46

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Solution

The fourth proportional to 61,936.90, 85,480.29 and 36,786.46 is: 50,769.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,936.90 : 85,480.29 = 36,786.46 : x
  2. Step 2: Convert to fraction form
    61,936.90/85,480.29 = 36,786.46/x
  3. Step 3: Cross multiply
    61,936.90x = 85,480.29 × 36,786.46
  4. Step 4: Simplify right side
    61,936.90x = 3,144,517,268.87
  5. Step 5: Solve for x
    x = 3,144,517,268.87/61,936.90
  6. Step 6: Final answer
    x = 50,769.69

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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.