Home / 56,928.90-78,561.69-33,069.54

Finding the Fourth Proportional to 56,928.90, 78,561.69 and 33,069.54

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Solution

The fourth proportional to 56,928.90, 78,561.69 and 33,069.54 is: 45,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,928.90 : 78,561.69 = 33,069.54 : x
  2. Step 2: Convert to fraction form
    56,928.90/78,561.69 = 33,069.54/x
  3. Step 3: Cross multiply
    56,928.90x = 78,561.69 × 33,069.54
  4. Step 4: Simplify right side
    56,928.90x = 2,597,998,949.92
  5. Step 5: Solve for x
    x = 2,597,998,949.92/56,928.90
  6. Step 6: Final answer
    x = 45,635.85

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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.