Home / 115,744.84-173,630-36,840.60

Finding the Fourth Proportional to 115,744.84, 173,630 and 36,840.60

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Solution

The fourth proportional to 115,744.84, 173,630 and 36,840.60 is: 55,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,744.84 : 173,630 = 36,840.60 : x
  2. Step 2: Convert to fraction form
    115,744.84/173,630 = 36,840.60/x
  3. Step 3: Cross multiply
    115,744.84x = 173,630 × 36,840.60
  4. Step 4: Simplify right side
    115,744.84x = 6,396,633,378
  5. Step 5: Solve for x
    x = 6,396,633,378/115,744.84
  6. Step 6: Final answer
    x = 55,264.96

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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.