Home / 50,913.60-76,363.20-15,856.80

Finding the Fourth Proportional to 50,913.60, 76,363.20 and 15,856.80

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Solution

The fourth proportional to 50,913.60, 76,363.20 and 15,856.80 is: 23,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,913.60 : 76,363.20 = 15,856.80 : x
  2. Step 2: Convert to fraction form
    50,913.60/76,363.20 = 15,856.80/x
  3. Step 3: Cross multiply
    50,913.60x = 76,363.20 × 15,856.80
  4. Step 4: Simplify right side
    50,913.60x = 1,210,875,989.76
  5. Step 5: Solve for x
    x = 1,210,875,989.76/50,913.60
  6. Step 6: Final answer
    x = 23,782.96

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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.