Home / 125,900.72-173,744.16-69,313.04

Finding the Fourth Proportional to 125,900.72, 173,744.16 and 69,313.04

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Solution

The fourth proportional to 125,900.72, 173,744.16 and 69,313.04 is: 95,652.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,900.72 : 173,744.16 = 69,313.04 : x
  2. Step 2: Convert to fraction form
    125,900.72/173,744.16 = 69,313.04/x
  3. Step 3: Cross multiply
    125,900.72x = 173,744.16 × 69,313.04
  4. Step 4: Simplify right side
    125,900.72x = 12,042,735,911.85
  5. Step 5: Solve for x
    x = 12,042,735,911.85/125,900.72
  6. Step 6: Final answer
    x = 95,652.64

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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.