Home / 42,104.76-63,118.26-15,789.48

Finding the Fourth Proportional to 42,104.76, 63,118.26 and 15,789.48

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Solution

The fourth proportional to 42,104.76, 63,118.26 and 15,789.48 is: 23,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,104.76 : 63,118.26 = 15,789.48 : x
  2. Step 2: Convert to fraction form
    42,104.76/63,118.26 = 15,789.48/x
  3. Step 3: Cross multiply
    42,104.76x = 63,118.26 × 15,789.48
  4. Step 4: Simplify right side
    42,104.76x = 996,604,503.90
  5. Step 5: Solve for x
    x = 996,604,503.90/42,104.76
  6. Step 6: Final answer
    x = 23,669.64

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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.