Home / 89,039.88-133,566.80-25,861.05

Finding the Fourth Proportional to 89,039.88, 133,566.80 and 25,861.05

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Solution

The fourth proportional to 89,039.88, 133,566.80 and 25,861.05 is: 38,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,039.88 : 133,566.80 = 25,861.05 : x
  2. Step 2: Convert to fraction form
    89,039.88/133,566.80 = 25,861.05/x
  3. Step 3: Cross multiply
    89,039.88x = 133,566.80 × 25,861.05
  4. Step 4: Simplify right side
    89,039.88x = 3,454,177,563.83
  5. Step 5: Solve for x
    x = 3,454,177,563.83/89,039.88
  6. Step 6: Final answer
    x = 38,793.60

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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.