Home / 89,219.68-133,836-26,895.04

Finding the Fourth Proportional to 89,219.68, 133,836 and 26,895.04

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Solution

The fourth proportional to 89,219.68, 133,836 and 26,895.04 is: 40,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,219.68 : 133,836 = 26,895.04 : x
  2. Step 2: Convert to fraction form
    89,219.68/133,836 = 26,895.04/x
  3. Step 3: Cross multiply
    89,219.68x = 133,836 × 26,895.04
  4. Step 4: Simplify right side
    89,219.68x = 3,599,524,573.44
  5. Step 5: Solve for x
    x = 3,599,524,573.44/89,219.68
  6. Step 6: Final answer
    x = 40,344.51

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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.