Home / 89,390.12-123,349.22-51,676.52

Finding the Fourth Proportional to 89,390.12, 123,349.22 and 51,676.52

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Solution

The fourth proportional to 89,390.12, 123,349.22 and 51,676.52 is: 71,308.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,390.12 : 123,349.22 = 51,676.52 : x
  2. Step 2: Convert to fraction form
    89,390.12/123,349.22 = 51,676.52/x
  3. Step 3: Cross multiply
    89,390.12x = 123,349.22 × 51,676.52
  4. Step 4: Simplify right side
    89,390.12x = 6,374,258,434.31
  5. Step 5: Solve for x
    x = 6,374,258,434.31/89,390.12
  6. Step 6: Final answer
    x = 71,308.31

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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.