Home / 89,461.84-134,212.44-27,137.20

Finding the Fourth Proportional to 89,461.84, 134,212.44 and 27,137.20

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Solution

The fourth proportional to 89,461.84, 134,212.44 and 27,137.20 is: 40,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,461.84 : 134,212.44 = 27,137.20 : x
  2. Step 2: Convert to fraction form
    89,461.84/134,212.44 = 27,137.20/x
  3. Step 3: Cross multiply
    89,461.84x = 134,212.44 × 27,137.20
  4. Step 4: Simplify right side
    89,461.84x = 3,642,149,826.77
  5. Step 5: Solve for x
    x = 3,642,149,826.77/89,461.84
  6. Step 6: Final answer
    x = 40,711.77

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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.