Home / 89,984.94-134,996.13-45,029.58

Finding the Fourth Proportional to 89,984.94, 134,996.13 and 45,029.58

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Solution

The fourth proportional to 89,984.94, 134,996.13 and 45,029.58 is: 67,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,984.94 : 134,996.13 = 45,029.58 : x
  2. Step 2: Convert to fraction form
    89,984.94/134,996.13 = 45,029.58/x
  3. Step 3: Cross multiply
    89,984.94x = 134,996.13 × 45,029.58
  4. Step 4: Simplify right side
    89,984.94x = 6,078,819,035.53
  5. Step 5: Solve for x
    x = 6,078,819,035.53/89,984.94
  6. Step 6: Final answer
    x = 67,553.74

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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.