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Finding the Fourth Proportional to 52,611.20, 73,811.20 and 52,611.20

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Solution

The fourth proportional to 52,611.20, 73,811.20 and 52,611.20 is: 73,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,611.20 : 73,811.20 = 52,611.20 : x
  2. Step 2: Convert to fraction form
    52,611.20/73,811.20 = 52,611.20/x
  3. Step 3: Cross multiply
    52,611.20x = 73,811.20 × 52,611.20
  4. Step 4: Simplify right side
    52,611.20x = 3,883,295,805.44
  5. Step 5: Solve for x
    x = 3,883,295,805.44/52,611.20
  6. Step 6: Final answer
    x = 73,811.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.