Home / 89,381.58-134,070.63-36,072.14

Finding the Fourth Proportional to 89,381.58, 134,070.63 and 36,072.14

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Solution

The fourth proportional to 89,381.58, 134,070.63 and 36,072.14 is: 54,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,381.58 : 134,070.63 = 36,072.14 : x
  2. Step 2: Convert to fraction form
    89,381.58/134,070.63 = 36,072.14/x
  3. Step 3: Cross multiply
    89,381.58x = 134,070.63 × 36,072.14
  4. Step 4: Simplify right side
    89,381.58x = 4,836,214,435.30
  5. Step 5: Solve for x
    x = 4,836,214,435.30/89,381.58
  6. Step 6: Final answer
    x = 54,107.51

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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.