Home / 62,836.89-86,680.30-39,824.61

Finding the Fourth Proportional to 62,836.89, 86,680.30 and 39,824.61

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Solution

The fourth proportional to 62,836.89, 86,680.30 and 39,824.61 is: 54,936.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,836.89 : 86,680.30 = 39,824.61 : x
  2. Step 2: Convert to fraction form
    62,836.89/86,680.30 = 39,824.61/x
  3. Step 3: Cross multiply
    62,836.89x = 86,680.30 × 39,824.61
  4. Step 4: Simplify right side
    62,836.89x = 3,452,009,142.18
  5. Step 5: Solve for x
    x = 3,452,009,142.18/62,836.89
  6. Step 6: Final answer
    x = 54,936.03

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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.