Home / 52,200.06-78,247.53-30,006.78

Finding the Fourth Proportional to 52,200.06, 78,247.53 and 30,006.78

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Solution

The fourth proportional to 52,200.06, 78,247.53 and 30,006.78 is: 44,979.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,200.06 : 78,247.53 = 30,006.78 : x
  2. Step 2: Convert to fraction form
    52,200.06/78,247.53 = 30,006.78/x
  3. Step 3: Cross multiply
    52,200.06x = 78,247.53 × 30,006.78
  4. Step 4: Simplify right side
    52,200.06x = 2,347,956,418.25
  5. Step 5: Solve for x
    x = 2,347,956,418.25/52,200.06
  6. Step 6: Final answer
    x = 44,979.96

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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.