Home / 52,193.22-78,289.56-12,750.54

Finding the Fourth Proportional to 52,193.22, 78,289.56 and 12,750.54

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Solution

The fourth proportional to 52,193.22, 78,289.56 and 12,750.54 is: 19,125.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,193.22 : 78,289.56 = 12,750.54 : x
  2. Step 2: Convert to fraction form
    52,193.22/78,289.56 = 12,750.54/x
  3. Step 3: Cross multiply
    52,193.22x = 78,289.56 × 12,750.54
  4. Step 4: Simplify right side
    52,193.22x = 998,234,166.36
  5. Step 5: Solve for x
    x = 998,234,166.36/52,193.22
  6. Step 6: Final answer
    x = 19,125.74

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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.