Home / 89,236.06-133,811.04-51,805.56

Finding the Fourth Proportional to 89,236.06, 133,811.04 and 51,805.56

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Solution

The fourth proportional to 89,236.06, 133,811.04 and 51,805.56 is: 77,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,236.06 : 133,811.04 = 51,805.56 : x
  2. Step 2: Convert to fraction form
    89,236.06/133,811.04 = 51,805.56/x
  3. Step 3: Cross multiply
    89,236.06x = 133,811.04 × 51,805.56
  4. Step 4: Simplify right side
    89,236.06x = 6,932,155,440.50
  5. Step 5: Solve for x
    x = 6,932,155,440.50/89,236.06
  6. Step 6: Final answer
    x = 77,683.34

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1.5x scale

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.