Home / 50,478.60-75,715.16-15,415.52

Finding the Fourth Proportional to 50,478.60, 75,715.16 and 15,415.52

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Solution

The fourth proportional to 50,478.60, 75,715.16 and 15,415.52 is: 23,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,478.60 : 75,715.16 = 15,415.52 : x
  2. Step 2: Convert to fraction form
    50,478.60/75,715.16 = 15,415.52/x
  3. Step 3: Cross multiply
    50,478.60x = 75,715.16 × 15,415.52
  4. Step 4: Simplify right side
    50,478.60x = 1,167,188,563.28
  5. Step 5: Solve for x
    x = 1,167,188,563.28/50,478.60
  6. Step 6: Final answer
    x = 23,122.44

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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.