Home / 115,766.42-173,647.80-36,880.11

Finding the Fourth Proportional to 115,766.42, 173,647.80 and 36,880.11

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Solution

The fourth proportional to 115,766.42, 173,647.80 and 36,880.11 is: 55,319.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,766.42 : 173,647.80 = 36,880.11 : x
  2. Step 2: Convert to fraction form
    115,766.42/173,647.80 = 36,880.11/x
  3. Step 3: Cross multiply
    115,766.42x = 173,647.80 × 36,880.11
  4. Step 4: Simplify right side
    115,766.42x = 6,404,149,965.26
  5. Step 5: Solve for x
    x = 6,404,149,965.26/115,766.42
  6. Step 6: Final answer
    x = 55,319.58

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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.