Home / 52,778.50-72,842.83-30,118.44

Finding the Fourth Proportional to 52,778.50, 72,842.83 and 30,118.44

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Solution

The fourth proportional to 52,778.50, 72,842.83 and 30,118.44 is: 41,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.50 : 72,842.83 = 30,118.44 : x
  2. Step 2: Convert to fraction form
    52,778.50/72,842.83 = 30,118.44/x
  3. Step 3: Cross multiply
    52,778.50x = 72,842.83 × 30,118.44
  4. Step 4: Simplify right side
    52,778.50x = 2,193,912,602.65
  5. Step 5: Solve for x
    x = 2,193,912,602.65/52,778.50
  6. Step 6: Final answer
    x = 41,568.30

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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.