Home / 42,399.15-63,523.90-25,725.33

Finding the Fourth Proportional to 42,399.15, 63,523.90 and 25,725.33

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Solution

The fourth proportional to 42,399.15, 63,523.90 and 25,725.33 is: 38,542.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,399.15 : 63,523.90 = 25,725.33 : x
  2. Step 2: Convert to fraction form
    42,399.15/63,523.90 = 25,725.33/x
  3. Step 3: Cross multiply
    42,399.15x = 63,523.90 × 25,725.33
  4. Step 4: Simplify right side
    42,399.15x = 1,634,173,177.84
  5. Step 5: Solve for x
    x = 1,634,173,177.84/42,399.15
  6. Step 6: Final answer
    x = 38,542.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.