Home / 125,676.18-173,433.69-69,091.20

Finding the Fourth Proportional to 125,676.18, 173,433.69 and 69,091.20

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Solution

The fourth proportional to 125,676.18, 173,433.69 and 69,091.20 is: 95,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,676.18 : 173,433.69 = 69,091.20 : x
  2. Step 2: Convert to fraction form
    125,676.18/173,433.69 = 69,091.20/x
  3. Step 3: Cross multiply
    125,676.18x = 173,433.69 × 69,091.20
  4. Step 4: Simplify right side
    125,676.18x = 11,982,741,762.53
  5. Step 5: Solve for x
    x = 11,982,741,762.53/125,676.18
  6. Step 6: Final answer
    x = 95,346.16

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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.