Home / 52,611.60-78,922.66-15,172.58

Finding the Fourth Proportional to 52,611.60, 78,922.66 and 15,172.58

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Solution

The fourth proportional to 52,611.60, 78,922.66 and 15,172.58 is: 22,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,611.60 : 78,922.66 = 15,172.58 : x
  2. Step 2: Convert to fraction form
    52,611.60/78,922.66 = 15,172.58/x
  3. Step 3: Cross multiply
    52,611.60x = 78,922.66 × 15,172.58
  4. Step 4: Simplify right side
    52,611.60x = 1,197,460,372.66
  5. Step 5: Solve for x
    x = 1,197,460,372.66/52,611.60
  6. Step 6: Final answer
    x = 22,760.39

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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.