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Finding the Fourth Proportional to 89,793.36, 134,599.08 and 58,223.44

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Solution

The fourth proportional to 89,793.36, 134,599.08 and 58,223.44 is: 87,276.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,793.36 : 134,599.08 = 58,223.44 : x
  2. Step 2: Convert to fraction form
    89,793.36/134,599.08 = 58,223.44/x
  3. Step 3: Cross multiply
    89,793.36x = 134,599.08 × 58,223.44
  4. Step 4: Simplify right side
    89,793.36x = 7,836,821,845.02
  5. Step 5: Solve for x
    x = 7,836,821,845.02/89,793.36
  6. Step 6: Final answer
    x = 87,276.18

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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.