Home / 52,063.23-78,094.15-12,620.69

Finding the Fourth Proportional to 52,063.23, 78,094.15 and 12,620.69

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Solution

The fourth proportional to 52,063.23, 78,094.15 and 12,620.69 is: 18,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,063.23 : 78,094.15 = 12,620.69 : x
  2. Step 2: Convert to fraction form
    52,063.23/78,094.15 = 12,620.69/x
  3. Step 3: Cross multiply
    52,063.23x = 78,094.15 × 12,620.69
  4. Step 4: Simplify right side
    52,063.23x = 985,601,635.94
  5. Step 5: Solve for x
    x = 985,601,635.94/52,063.23
  6. Step 6: Final answer
    x = 18,930.86

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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.