Home / 89,520.66-134,160.03-34,086.42

Finding the Fourth Proportional to 89,520.66, 134,160.03 and 34,086.42

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Solution

The fourth proportional to 89,520.66, 134,160.03 and 34,086.42 is: 51,083.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,520.66 : 134,160.03 = 34,086.42 : x
  2. Step 2: Convert to fraction form
    89,520.66/134,160.03 = 34,086.42/x
  3. Step 3: Cross multiply
    89,520.66x = 134,160.03 × 34,086.42
  4. Step 4: Simplify right side
    89,520.66x = 4,573,035,129.79
  5. Step 5: Solve for x
    x = 4,573,035,129.79/89,520.66
  6. Step 6: Final answer
    x = 51,083.57

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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.