Home / 89,230.59-123,138.23-51,504.84

Finding the Fourth Proportional to 89,230.59, 123,138.23 and 51,504.84

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Solution

The fourth proportional to 89,230.59, 123,138.23 and 51,504.84 is: 71,076.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,230.59 : 123,138.23 = 51,504.84 : x
  2. Step 2: Convert to fraction form
    89,230.59/123,138.23 = 51,504.84/x
  3. Step 3: Cross multiply
    89,230.59x = 123,138.23 × 51,504.84
  4. Step 4: Simplify right side
    89,230.59x = 6,342,214,576.51
  5. Step 5: Solve for x
    x = 6,342,214,576.51/89,230.59
  6. Step 6: Final answer
    x = 71,076.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.