Home / 89,819.49-134,656.14-33,628.12

Finding the Fourth Proportional to 89,819.49, 134,656.14 and 33,628.12

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Solution

The fourth proportional to 89,819.49, 134,656.14 and 33,628.12 is: 50,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,819.49 : 134,656.14 = 33,628.12 : x
  2. Step 2: Convert to fraction form
    89,819.49/134,656.14 = 33,628.12/x
  3. Step 3: Cross multiply
    89,819.49x = 134,656.14 × 33,628.12
  4. Step 4: Simplify right side
    89,819.49x = 4,528,232,834.66
  5. Step 5: Solve for x
    x = 4,528,232,834.66/89,819.49
  6. Step 6: Final answer
    x = 50,414.81

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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.