Home / 89,864.55-134,718.44-33,689.61

Finding the Fourth Proportional to 89,864.55, 134,718.44 and 33,689.61

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Solution

The fourth proportional to 89,864.55, 134,718.44 and 33,689.61 is: 50,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,864.55 : 134,718.44 = 33,689.61 : x
  2. Step 2: Convert to fraction form
    89,864.55/134,718.44 = 33,689.61/x
  3. Step 3: Cross multiply
    89,864.55x = 134,718.44 × 33,689.61
  4. Step 4: Simplify right side
    89,864.55x = 4,538,611,534.96
  5. Step 5: Solve for x
    x = 4,538,611,534.96/89,864.55
  6. Step 6: Final answer
    x = 50,505.03

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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.