Home / 63,540.90-87,687.09-34,860.60

Finding the Fourth Proportional to 63,540.90, 87,687.09 and 34,860.60

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Solution

The fourth proportional to 63,540.90, 87,687.09 and 34,860.60 is: 48,107.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,540.90 : 87,687.09 = 34,860.60 : x
  2. Step 2: Convert to fraction form
    63,540.90/87,687.09 = 34,860.60/x
  3. Step 3: Cross multiply
    63,540.90x = 87,687.09 × 34,860.60
  4. Step 4: Simplify right side
    63,540.90x = 3,056,824,569.65
  5. Step 5: Solve for x
    x = 3,056,824,569.65/63,540.90
  6. Step 6: Final answer
    x = 48,107.98

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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.