Home / 112,493.09-168,786.21-49,280.55

Finding the Fourth Proportional to 112,493.09, 168,786.21 and 49,280.55

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Solution

The fourth proportional to 112,493.09, 168,786.21 and 49,280.55 is: 73,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,493.09 : 168,786.21 = 49,280.55 : x
  2. Step 2: Convert to fraction form
    112,493.09/168,786.21 = 49,280.55/x
  3. Step 3: Cross multiply
    112,493.09x = 168,786.21 × 49,280.55
  4. Step 4: Simplify right side
    112,493.09x = 8,317,877,261.22
  5. Step 5: Solve for x
    x = 8,317,877,261.22/112,493.09
  6. Step 6: Final answer
    x = 73,941.23

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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.