Home / 52,047.75-78,071.37-12,604.86

Finding the Fourth Proportional to 52,047.75, 78,071.37 and 12,604.86

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Solution

The fourth proportional to 52,047.75, 78,071.37 and 12,604.86 is: 18,907.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,047.75 : 78,071.37 = 12,604.86 : x
  2. Step 2: Convert to fraction form
    52,047.75/78,071.37 = 12,604.86/x
  3. Step 3: Cross multiply
    52,047.75x = 78,071.37 × 12,604.86
  4. Step 4: Simplify right side
    52,047.75x = 984,078,641.59
  5. Step 5: Solve for x
    x = 984,078,641.59/52,047.75
  6. Step 6: Final answer
    x = 18,907.23

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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.