Home / 89,709.55-134,532.72-26,512.84

Finding the Fourth Proportional to 89,709.55, 134,532.72 and 26,512.84

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Solution

The fourth proportional to 89,709.55, 134,532.72 and 26,512.84 is: 39,759.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,709.55 : 134,532.72 = 26,512.84 : x
  2. Step 2: Convert to fraction form
    89,709.55/134,532.72 = 26,512.84/x
  3. Step 3: Cross multiply
    89,709.55x = 134,532.72 × 26,512.84
  4. Step 4: Simplify right side
    89,709.55x = 3,566,844,480.12
  5. Step 5: Solve for x
    x = 3,566,844,480.12/89,709.55
  6. Step 6: Final answer
    x = 39,759.92

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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.