Home / 51,621.54-71,162.32-36,487.50

Finding the Fourth Proportional to 51,621.54, 71,162.32 and 36,487.50

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Solution

The fourth proportional to 51,621.54, 71,162.32 and 36,487.50 is: 50,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,621.54 : 71,162.32 = 36,487.50 : x
  2. Step 2: Convert to fraction form
    51,621.54/71,162.32 = 36,487.50/x
  3. Step 3: Cross multiply
    51,621.54x = 71,162.32 × 36,487.50
  4. Step 4: Simplify right side
    51,621.54x = 2,596,534,968.56
  5. Step 5: Solve for x
    x = 2,596,534,968.56/51,621.54
  6. Step 6: Final answer
    x = 50,299.45

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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.