Home / 88,034.04-131,735.64-76,228.56

Finding the Fourth Proportional to 88,034.04, 131,735.64 and 76,228.56

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Solution

The fourth proportional to 88,034.04, 131,735.64 and 76,228.56 is: 114,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,034.04 : 131,735.64 = 76,228.56 : x
  2. Step 2: Convert to fraction form
    88,034.04/131,735.64 = 76,228.56/x
  3. Step 3: Cross multiply
    88,034.04x = 131,735.64 × 76,228.56
  4. Step 4: Simplify right side
    88,034.04x = 10,042,018,137.88
  5. Step 5: Solve for x
    x = 10,042,018,137.88/88,034.04
  6. Step 6: Final answer
    x = 114,069.72

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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.