Home / 56,964.20-85,349.10-47,049.80

Finding the Fourth Proportional to 56,964.20, 85,349.10 and 47,049.80

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Solution

The fourth proportional to 56,964.20, 85,349.10 and 47,049.80 is: 70,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,964.20 : 85,349.10 = 47,049.80 : x
  2. Step 2: Convert to fraction form
    56,964.20/85,349.10 = 47,049.80/x
  3. Step 3: Cross multiply
    56,964.20x = 85,349.10 × 47,049.80
  4. Step 4: Simplify right side
    56,964.20x = 4,015,658,085.18
  5. Step 5: Solve for x
    x = 4,015,658,085.18/56,964.20
  6. Step 6: Final answer
    x = 70,494.42

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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.