Home / 89,276.45-133,911.02-36,684.56

Finding the Fourth Proportional to 89,276.45, 133,911.02 and 36,684.56

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Solution

The fourth proportional to 89,276.45, 133,911.02 and 36,684.56 is: 55,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,276.45 : 133,911.02 = 36,684.56 : x
  2. Step 2: Convert to fraction form
    89,276.45/133,911.02 = 36,684.56/x
  3. Step 3: Cross multiply
    89,276.45x = 133,911.02 × 36,684.56
  4. Step 4: Simplify right side
    89,276.45x = 4,912,467,274.34
  5. Step 5: Solve for x
    x = 4,912,467,274.34/89,276.45
  6. Step 6: Final answer
    x = 55,025.35

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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.