Home / 55,261.40-82,892.10-47,744.60

Finding the Fourth Proportional to 55,261.40, 82,892.10 and 47,744.60

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Solution

The fourth proportional to 55,261.40, 82,892.10 and 47,744.60 is: 71,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,261.40 : 82,892.10 = 47,744.60 : x
  2. Step 2: Convert to fraction form
    55,261.40/82,892.10 = 47,744.60/x
  3. Step 3: Cross multiply
    55,261.40x = 82,892.10 × 47,744.60
  4. Step 4: Simplify right side
    55,261.40x = 3,957,650,157.66
  5. Step 5: Solve for x
    x = 3,957,650,157.66/55,261.40
  6. Step 6: Final answer
    x = 71,616.90

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1.5x scale

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.