Home / 48,172.96-72,302.88-28,469.44

Finding the Fourth Proportional to 48,172.96, 72,302.88 and 28,469.44

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Solution

The fourth proportional to 48,172.96, 72,302.88 and 28,469.44 is: 42,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,172.96 : 72,302.88 = 28,469.44 : x
  2. Step 2: Convert to fraction form
    48,172.96/72,302.88 = 28,469.44/x
  3. Step 3: Cross multiply
    48,172.96x = 72,302.88 × 28,469.44
  4. Step 4: Simplify right side
    48,172.96x = 2,058,422,503.99
  5. Step 5: Solve for x
    x = 2,058,422,503.99/48,172.96
  6. Step 6: Final answer
    x = 42,729.83

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1.5x scale

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.