Home / 63,725.88-87,941.56-35,431.80

Finding the Fourth Proportional to 63,725.88, 87,941.56 and 35,431.80

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Solution

The fourth proportional to 63,725.88, 87,941.56 and 35,431.80 is: 48,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,725.88 : 87,941.56 = 35,431.80 : x
  2. Step 2: Convert to fraction form
    63,725.88/87,941.56 = 35,431.80/x
  3. Step 3: Cross multiply
    63,725.88x = 87,941.56 × 35,431.80
  4. Step 4: Simplify right side
    63,725.88x = 3,115,927,765.61
  5. Step 5: Solve for x
    x = 3,115,927,765.61/63,725.88
  6. Step 6: Final answer
    x = 48,895.80

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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.