Home / 63,629.12-87,852.12-39,766.52

Finding the Fourth Proportional to 63,629.12, 87,852.12 and 39,766.52

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Solution

The fourth proportional to 63,629.12, 87,852.12 and 39,766.52 is: 54,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,629.12 : 87,852.12 = 39,766.52 : x
  2. Step 2: Convert to fraction form
    63,629.12/87,852.12 = 39,766.52/x
  3. Step 3: Cross multiply
    63,629.12x = 87,852.12 × 39,766.52
  4. Step 4: Simplify right side
    63,629.12x = 3,493,573,087.02
  5. Step 5: Solve for x
    x = 3,493,573,087.02/63,629.12
  6. Step 6: Final answer
    x = 54,905.26

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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.