Home / 47,074.68-70,611.10-18,994.16

Finding the Fourth Proportional to 47,074.68, 70,611.10 and 18,994.16

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Solution

The fourth proportional to 47,074.68, 70,611.10 and 18,994.16 is: 28,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,074.68 : 70,611.10 = 18,994.16 : x
  2. Step 2: Convert to fraction form
    47,074.68/70,611.10 = 18,994.16/x
  3. Step 3: Cross multiply
    47,074.68x = 70,611.10 × 18,994.16
  4. Step 4: Simplify right side
    47,074.68x = 1,341,198,531.18
  5. Step 5: Solve for x
    x = 1,341,198,531.18/47,074.68
  6. Step 6: Final answer
    x = 28,490.87

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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.