Home / 47,743.80-71,615.70-25,625.40

Finding the Fourth Proportional to 47,743.80, 71,615.70 and 25,625.40

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Solution

The fourth proportional to 47,743.80, 71,615.70 and 25,625.40 is: 38,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,743.80 : 71,615.70 = 25,625.40 : x
  2. Step 2: Convert to fraction form
    47,743.80/71,615.70 = 25,625.40/x
  3. Step 3: Cross multiply
    47,743.80x = 71,615.70 × 25,625.40
  4. Step 4: Simplify right side
    47,743.80x = 1,835,180,958.78
  5. Step 5: Solve for x
    x = 1,835,180,958.78/47,743.80
  6. Step 6: Final answer
    x = 38,438.10

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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.