Home / 55,909.43-83,861.40-20,846.34

Finding the Fourth Proportional to 55,909.43, 83,861.40 and 20,846.34

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Solution

The fourth proportional to 55,909.43, 83,861.40 and 20,846.34 is: 31,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,909.43 : 83,861.40 = 20,846.34 : x
  2. Step 2: Convert to fraction form
    55,909.43/83,861.40 = 20,846.34/x
  3. Step 3: Cross multiply
    55,909.43x = 83,861.40 × 20,846.34
  4. Step 4: Simplify right side
    55,909.43x = 1,748,203,257.28
  5. Step 5: Solve for x
    x = 1,748,203,257.28/55,909.43
  6. Step 6: Final answer
    x = 31,268.49

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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.