Home / 48,675.32-67,172.25-28,532.64

Finding the Fourth Proportional to 48,675.32, 67,172.25 and 28,532.64

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Solution

The fourth proportional to 48,675.32, 67,172.25 and 28,532.64 is: 39,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,675.32 : 67,172.25 = 28,532.64 : x
  2. Step 2: Convert to fraction form
    48,675.32/67,172.25 = 28,532.64/x
  3. Step 3: Cross multiply
    48,675.32x = 67,172.25 × 28,532.64
  4. Step 4: Simplify right side
    48,675.32x = 1,916,601,627.24
  5. Step 5: Solve for x
    x = 1,916,601,627.24/48,675.32
  6. Step 6: Final answer
    x = 39,375.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.