Home / 52,180.12-71,909.13-51,220.41

Finding the Fourth Proportional to 52,180.12, 71,909.13 and 51,220.41

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Solution

The fourth proportional to 52,180.12, 71,909.13 and 51,220.41 is: 70,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,180.12 : 71,909.13 = 51,220.41 : x
  2. Step 2: Convert to fraction form
    52,180.12/71,909.13 = 51,220.41/x
  3. Step 3: Cross multiply
    52,180.12x = 71,909.13 × 51,220.41
  4. Step 4: Simplify right side
    52,180.12x = 3,683,215,121.34
  5. Step 5: Solve for x
    x = 3,683,215,121.34/52,180.12
  6. Step 6: Final answer
    x = 70,586.56

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1.5x scale

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.