Home / 92,968.08-139,506.78-36,813.60

Finding the Fourth Proportional to 92,968.08, 139,506.78 and 36,813.60

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Solution

The fourth proportional to 92,968.08, 139,506.78 and 36,813.60 is: 55,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,968.08 : 139,506.78 = 36,813.60 : x
  2. Step 2: Convert to fraction form
    92,968.08/139,506.78 = 36,813.60/x
  3. Step 3: Cross multiply
    92,968.08x = 139,506.78 × 36,813.60
  4. Step 4: Simplify right side
    92,968.08x = 5,135,746,796.21
  5. Step 5: Solve for x
    x = 5,135,746,796.21/92,968.08
  6. Step 6: Final answer
    x = 55,242.04

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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.