Home / 53,621.58-80,445.87-31,453.50

Finding the Fourth Proportional to 53,621.58, 80,445.87 and 31,453.50

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Solution

The fourth proportional to 53,621.58, 80,445.87 and 31,453.50 is: 47,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,621.58 : 80,445.87 = 31,453.50 : x
  2. Step 2: Convert to fraction form
    53,621.58/80,445.87 = 31,453.50/x
  3. Step 3: Cross multiply
    53,621.58x = 80,445.87 × 31,453.50
  4. Step 4: Simplify right side
    53,621.58x = 2,530,304,172.05
  5. Step 5: Solve for x
    x = 2,530,304,172.05/53,621.58
  6. Step 6: Final answer
    x = 47,188.17

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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.