Home / 42,627.75-63,891.81-25,109.88

Finding the Fourth Proportional to 42,627.75, 63,891.81 and 25,109.88

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Solution

The fourth proportional to 42,627.75, 63,891.81 and 25,109.88 is: 37,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,627.75 : 63,891.81 = 25,109.88 : x
  2. Step 2: Convert to fraction form
    42,627.75/63,891.81 = 25,109.88/x
  3. Step 3: Cross multiply
    42,627.75x = 63,891.81 × 25,109.88
  4. Step 4: Simplify right side
    42,627.75x = 1,604,315,682.08
  5. Step 5: Solve for x
    x = 1,604,315,682.08/42,627.75
  6. Step 6: Final answer
    x = 37,635.48

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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.