Home / 51,145.56-70,563.96-29,909.80

Finding the Fourth Proportional to 51,145.56, 70,563.96 and 29,909.80

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Solution

The fourth proportional to 51,145.56, 70,563.96 and 29,909.80 is: 41,265.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,145.56 : 70,563.96 = 29,909.80 : x
  2. Step 2: Convert to fraction form
    51,145.56/70,563.96 = 29,909.80/x
  3. Step 3: Cross multiply
    51,145.56x = 70,563.96 × 29,909.80
  4. Step 4: Simplify right side
    51,145.56x = 2,110,553,930.81
  5. Step 5: Solve for x
    x = 2,110,553,930.81/51,145.56
  6. Step 6: Final answer
    x = 41,265.63

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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.