Home / 70,837.04-106,255.20-28,716.50

Finding the Fourth Proportional to 70,837.04, 106,255.20 and 28,716.50

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Solution

The fourth proportional to 70,837.04, 106,255.20 and 28,716.50 is: 43,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,837.04 : 106,255.20 = 28,716.50 : x
  2. Step 2: Convert to fraction form
    70,837.04/106,255.20 = 28,716.50/x
  3. Step 3: Cross multiply
    70,837.04x = 106,255.20 × 28,716.50
  4. Step 4: Simplify right side
    70,837.04x = 3,051,277,450.80
  5. Step 5: Solve for x
    x = 3,051,277,450.80/70,837.04
  6. Step 6: Final answer
    x = 43,074.60

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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.