Home / 50,688.60-76,025.70-15,631.80

Finding the Fourth Proportional to 50,688.60, 76,025.70 and 15,631.80

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Solution

The fourth proportional to 50,688.60, 76,025.70 and 15,631.80 is: 23,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688.60 : 76,025.70 = 15,631.80 : x
  2. Step 2: Convert to fraction form
    50,688.60/76,025.70 = 15,631.80/x
  3. Step 3: Cross multiply
    50,688.60x = 76,025.70 × 15,631.80
  4. Step 4: Simplify right side
    50,688.60x = 1,188,418,537.26
  5. Step 5: Solve for x
    x = 1,188,418,537.26/50,688.60
  6. Step 6: Final answer
    x = 23,445.48

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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.